DISCLAIMER: I'm NOT an expert on file formats, just an "info packrat". This information was scraped from various sources over the past 8 years. Please let me know of any errors or omissions and I'll try to correct them. Thanks for visiting. My promise to you is that I won't hassle you with ads, pop-ups, or cookie demands. If you enjoy my page on this topic, you may find the following pages of interest: New and excellent: File-Extensions.org Large file extensions database including easy-to-understand descriptions and associated applications. Quickly search by extension, view common and most popular file extensions. Dot What? This site provides a huge database of file extension information, mainly (but not exclusive to) the Microsoft Windows (Including Windows Vista!), Apple Macintosh and Linux operating systems. FileInfo.net includes a searchable database of extensions with detailed information for each file type. The File Extension Source Great site! Every File Extension in the World Jan Tegtmeir's excellent site has much more than just definitions of file extensions. It's definitely worth a long look. Marco Pontello's Online TrID file identifier File Extension Seeker PS: Microsoft is abbreviated M$ throughout this site.Click on Numeral 1 for non-alphabetic extensions
Numbers and symbols !!! Usually README file ### Temp file (QTIC) #24 Printer data file for 24 pin matrix printer (LocoScript) #ib Printer data file (LocoScript) #sc Printer data file (LocoScript) #st Standard mode printer definitions (LocoScript) $$$ Temporary file $$f Database (OS/2) $$p Notes (OS/2) $$s Spreadsheet (OS/2) $00 Pipe file (DOS) $1 ZX Spectrum file in HOBETA format $D$ Data (OS/2 Planner) $DB Temporary file (dBASE IV) $ED Editor temporary file (MS C) $LN TLink response file (Borland C++) $O1 Pipe file (DOS) $VM Virtual manager temporary file (Windows 3.x) )2( LHA archiver temporary file (LHA) #0? | Method of numbering picture files for a roll of film #0? | that has been scanned for computer presentation #24 Printer data file for 24 pin matrix printer (LocoScript) #IB Printer data file (LocoScript) #SC Printer data file (LocoScript) #ST Standard mode printer definitions (LocoScript) $$$ |Temporary file $$$ |Used by OS/2 to keep track of archived files $00 Pipe file (DOS) $DB Temporary file (dBASE IV) $ED Editor temporary file (MS C) $O1 Pipe file (DOS) $VM Virtual manager temporary file (Windows 3.x) @@@ |Screen files used in installation or instructions @@@ | on use of such applications as M$ Codeview for C ~$~ Temporary file (1st Reader) ~AP Old AppExpert project database (Borland C++ 4.5) ~DE Project backup (Borland C++ 4.5) ~MN Menu backup (Norton Commander) ~mp Temporary file. )2( LHA archiver temporary file (LHA) 0 Compressed harddisk data (DoubleSpace) 000 Common filename extension (GEOS) 000 Compressed harddisk data (DoubleSpace) 001 Fax (Hayes JT FAX) (many) 075 75x75 dpi display font (Ventura Publisher) 085 85x85 dpi display font (Ventura Publisher) 091 91x91 dpi display font (Ventura Publisher) 096 96x96 dpi display font (Ventura Publisher) 0b Printer font with lineDraw extended character set (PageMaker) 000-999 | Used to number old (backup) versions of files (for 000-999 | example, CONFIG.SYS when changed by an installation 000-999 | program); also used to number related data files for 000-999 | multiple users of a small-scale PC application 1 Unformatted manual page (Roff/nroff/troff/groff) 10X Bitmap gfx (Gemini 10x printer gfx file) 15U Printer font with PI font set (PageMaker) 1ST Usually README.1ST text 10O Embroidery machines graphics file - Toyota (binary) 12M Lotus 123 97 Smartmaster file 123 Lotus 123 97 file 24B Bitmap gfx (24bit data) 286 Virtual device driver (Windows standard mode) 2GR VGA gfx driver/cnfg file (Windows Video grabber) 301 Fax (Super FAX 2000 - Fax-Mail 96)) 386 |A file for use in an 80386 or higher microprocessor 386 |Virtual device driver (Windows 386 enhanced mode) 3DM |3D NURBS modeler, Rhino ? 3DM |QuickDraw 3D Metafile (QuickDraw) 3DMF QuickDraw 3D Metafile (QuickDraw) 3DS 3D Studio gfx for DOS 3FX Effect (CorelChart) 3GR |VGA Graphics driver/configuration files, Windows (binary) 3GR |VGA gfx driver (Windows Video grabber) 3IN MSN Setup Information [INSTBE] 3T4 Binary file converter to ascii (Util3) 4C$ Datafile (4Cast/2) 4GE Informix 4GL compiled code 4GL Informix 4GL source code 4MD Musical file 4SW Swap file (4DOS) 4TH Forth language source code file (ForthCMP - LMI Forth) 668 Music (the mixing is always at 12048Hz) 669 |Music (8 channels MOD) (The 669 Composer) 669 |Composer 669, Unis Composer music mod file 669 |669 tracker module ? 6CM Music (6 Channel Module) (Triton FastTracker) 75 75x75 dpi display font (Ventura Publisher) 8 Assembly language source code file (A86) 85 85x85 dpi display font (Ventura Publisher) 8CM Music (8 Channel Module) (Triton FastTracker) 8M Printer font with Math 8 extended character set (PageMaker) 8MED Music (Amiga OctaMed) 8SVX Sound (Amiga 8-bit) 8U Printer font with Roman 8 extended character set (PageMaker) 91 91x91 dpi display font (Ventura Publisher) 96 96x96 dpi display font (Ventura Publisher) ___ Table (Adinf) A A86 A86 assembly source shareware compiler A |ADA source code; Object code library (unix); A |Assembly programming source code A8 Alpha channel image data (24bit 3D animation) (Cubicomp PictureMaker) A11 Gfx (AIIM) AAM Authorware shocked file AAS Authorware shocked packet ABC Micrografx ABC Flowcharter ABF Adobe Binary Screen Font ABK CorelDRAW automatic backup ABM PhotoPlus album ABS Abscissa data ACB ACMB graphic ACE | Compression file format associated with a ACE | program called The Ace Archiver (binary) ACL |Corel Draw 6 keyboard accelerator ACL |Axialis Cursor Library ACM |AUDIO CONVERTER MODULE ACM |Used by Windows in the system directory ACP M$ Office Assistant Preview file ACR |ACR-NEMA medical image file ACR |American College of Radiology file format ACT |M$ Office Assistant Actor source code file ACT |Parson's Announcements file (binary) ACV OS/2 drivers that compress and decompress audio data AD After Dark screen saver data ADA Ada source text (non-GNAT) (ASCII) ADB Ada source text body (GNAT) (ASCII) ADB Appointment database used by HP 100LX organizer ADD OS/2 adapter drivers used in the boot process ADE |M$ Access Project Extension (EXECUTABLE!) ADE |M$ ADP file with all modules compiled and all editable ADE | source code removed (EXECUTABLE!) ADF |Amiga Disk File ADF |ARC data file ADI AutoCAD Device-Independent binary plotter image format ADL QEMM MCA adapter description library ADM After Dark MultiModule screensaver ADN Lotus 1-2-3 add-in ADP |AOL HTML file (ASCII) ADP |Astound Dynamite file ADP |Used by FaxWorks to do setup for fax modem interaction ADP |M$ Access Project file (EXECUTABLE!) ADR After Dark Randomizer screensaver ADS Ada source text specification (GNAT) (ASCII) ADT |AdTech Fax document ADT |Datafile for cardfile application (HP NewWave) ADT |Dictionary (Lingvo) ADT |Fax (AdTech) ADX Archetype Designer document AES UNKNOWN (help appreciated) [Encryption?] AFM |ADOBE FONT METRICS ASCII file format AFM |used for storing readable fonts AFT Micrografx ABC Flowcharter template AFW Micrografx ABC Flowcharter working file AF2 Micrografx ABC Flowcharter 2 AF3 Micrografx ABC Flowcharter 3 AFM Adobe Font Metrics Format (Ray Trace) AGA Agenda File AGF Atlas geodata (GIS) file AI |Adobe Illustrator drawing AI |Encapsulated PostScript image file (binary) AIF |Audio Interchange File, a sound format used by: AIF |Silicon Graphics & Macintosh apps (binary) [RUNDLL32] AIFC |Similar to AIF (compressed) (binary) AIFF |Audio Interchange File, a sound format used by: AIFF |Silicon Graphics & Macintosh apps (binary) [RUNDLL32] AIM AOL Instant Messenger Launch AIS |ACDSee Image Sequence file AIS |Velvet Studio Instruments AIS |Xerox Array of Intensity Samples graphic AKW |Contains all A-keywords in the RoboHELP Help: AKW |project Index Designer not associated with topics AL A-law sound file ALA Image file equivalent to TIF ALAW European telephony format audio ALB JASC Image Commander album ALD Aldus Pagemaker file ALL Arts & Letters Library AMF Advanced Module Format sound file AMS |Velvert Studio music module (MOD) file AMS |Extreme's Tracker module format ANC | Canon Computer Pattern Maker file that is ANC | a selectable list of pattern colors ANI Windows Animated Cursor [VARIOUS] ANM |DeluxePaint animation ANM |Lucas Arts animation ANN Windows Help annotation ANS |ANSI character animation ANS |ANSI text (ASCII) ANT saved game file in the original SimAnt for Windows APD Aldus printer file API Application Program Interface file; used by Adobe Acrobat APP |Gem application APP |Symphony add in application APP |dBase Application Generator object file APP |DR-DOS executable application APP |Atari executable application APP |FoxPro generated application APR |Lotus Approach 97 file APR |ArcView project file APS M$ Visual C++ file APX Borland C++ 4.5 Appexpert database ARC Lempel-Ziv-Huffman (old version) compressed archive (binary) ARI Aristotle audio file ARJ Robert Jung ARJ compressed archive (binary) [WINZIP32] ARS WordPerfect audio resource file ART | Used by AOL to designate files compressed using ART | the Johson-Grace compression algorithm (binary) ART |Another Ray Tracer format ART |Ashton-Tate Byline graphic ART |Bernina artista, OESD, embroidery machine format ART |Canon Crayola art file (binary) ART |Clip Art file format [IEXPLORE] ART |Crayola Art graphic ART |PFS First Publisher graphic ART |VORT (Unix) ART ray tracer graphic ART |Xara Studio drawing ASA M$ Visual InterDev file ASC |American Standard Code for Information (ASCII) ASC | Exchange file. An unformatted text file. Also ASC | known as plain text, vanilla text, or flat text ASC |PGP armored encrypted file ASD |Astound presentation ASD |Autosave file (Word for Windows) ASD |Melco Embroidery machine format ASD |Screen driver (Lotus 1-2-3) ASE Velvet Studio sample ASF |Windows Media audio and video files ASF |Datafile (STATGFX) ASF |Screen font (Lotus 1-2-3) ASH TASM 3.0 assembly language header file ASI |Turbo C assembler include file ASI |Borland C++ assembler include file ASM Assembler language source file (uncompiled) ASO |Astound Dynamite Objects ASO |TASM object file ASP |Association of Shareware Professionals Ombudsman notice ASP |HTML Script ASP |Active Server Page (an HTML file containing a M$ ASP | server-processed script) (ASCII) ASP |Procomm Plus setup and connection script (ASCII) ASP |Astound Presentation file ASX Windows Media audio and video files AST |Astound multimedia file AST |Claris Works "assistant" file ASV DataCAD Autosave file ASX |Cheyenne Backup script (ASCII) ASX |M$ Advanced Streaming Redirector file ASX |Video file ATT AT&T Group 4 bitmap (binary) AU |æ-law (mu-law) audio file, Originally a UNIX format, AU |Sun/NeXT/DEC/(UNIX) sound file [RUNDLL32], AU |Audio file (UNIX) AUD Audio Recorder file [AUDIOREC] AUP UNKNOWN (help appreciated) AUX Generic auxiliary file; reserved word in DOS AVB Inculan Anti-Virus virus infected file AVD Avery LabelPro ListManager Data file AVI |M$ Audio Video Interleaved file for Win movies [RUNDLL32] AVI |Movie clip [MPLAYERX] [RUNDLL32] AVR Audio Visual Research file format AVS |APPLICATION VISUALIZATION SYSTEM: AVS | Digital Video Interactive (.DVI) file AVX ArcView Extension file AW HP AdvanceWrite text AWA Awale [?] game save file; Animation Works Accelerated movie AWD Fax Viewer document [WANGIMG] AWK |(FROM AUTOSPELL no identification) AWK |UNIX parsing program AWR Telsis file extension format for digitally stored audio. AWM Animation Works movie AXD Avery LabelPro ListManager Data file AX UNKNOWN (help appreciated) AXX | ARJ compressed files from a multi-volume archive:X= AXX | (XX = a number from 01 to 99) (binary) A3M unpackaged Authorware MacIntosh file A4M unpackaged Authorware MacIntosh file A4P Authorware file packaged without runtime A3W unpackaged Authorware windows file A4W unpackaged Authorware windows file A5W unpackaged Authorware windows file B (08/24/00) B BASIC source code. Beginners All-purpose Symbolic Instruction Code. B4 Helix Nuts and Bolts file B64 Mime Base 64 coded file (compressed) (binary) BAK |Backup file. This extension is given to files when they: BAK | are replaced with another file with the same name. BAS |EXECUTABLE text file in BASIC (Beginners All-purpose Symbolic: BAS | Instruction Code) for the Basic language interpreter BAS |Visual Basic Class Module (EXECUTABLE!) BAR |Unix BAR archive file BAR |dBase horizontal bar menu object BAT Batch file, ASCII file of DOS commands, (EXECUTABLE!) BB Papyrus database backup BBL TeX or BibTeX bibliography BBM Deluxe Paint brush file BBS Bulletin board system text file BCH dBase Batch process object BCP Borland C++ makefile BBX Boom Box for Windows BCK VMS/VAX backup BCM M$ Works 4.0 Communication BCW Borland C++ workspace settings BDB M$ Works 4.0 database BDF |Adobe Glyph Bitmap Distribution Format file BDF |West Point Bridge Designer program BDR MS Publisher border BFC |Windows 95 Briefcase document [EXPLORER] BFX BitFax Pro ViewFax [VIEWFAX] BG Backgammon for Windows game BGA OS/2 bitmapped graphic BGI Borland Graphics Interface, A graphics program file BGL | from M$ concerning scenery files from the BGL | well known Flight Simulator BHX Compressed file (binary) BI Binary file (binary) BIB |BibTeX bibliography source BIB |ASCII bibliography BID Parson's Announcements file (binary) BIF |Binary Image Format (Graphics) BIF |WordPerfect initialization file BIF |GroupWise initialization file BIFF XLITE 3D file format BIG Text file created from other text files (ASCII) (tgs) BIL File Band Interleaved by Line (Graphic) BIN Binary file (binary) BIN Macbinary II encoded file BIP File Band Interleaved by Pixel (graphic) BIT |Bitmap graphic BIT |ASCII text file, fragment of larger file(s) BK JetFax Faxbook; sometimes backup version BK! WordPerfect backup BK$ Sometimes used to denote backup versions BKP Backup file (various) BKS |An IBM BookManager Read bookshelf BKS |M$ Works 4.0 Sheet or Chart BKX Backup file where X = 1 to 9 BLG BibTeX log BM1 Apogee BioMenace data file (binary) BMF Corel! image similar to bmp BMK |A bookmark file (ASCII) BMK |CNM Bookmark Collection (content type MIME) BMK |Windows Help bookmark BMP Windows Bitmap graphics file (binary) [MANY] BNK |Adlib instrument bank BNK |step-processed ASCII file BOO Kermit bootstrap protocol binary file BOOK Adobe FrameMaker Book BOX A mailbox in Notes BPL Borland Delphi 4 packed library (binary) BQS UNKNOWN (help appreciated) BQY BrioQuery file BPS M$ Works 4.0 Document BRX A file for browsing an index of multimedia options BS1 Apogee Blake Stone data file BS_ M$ Bookshelf Find Menu shell extension BSA BSARC file archive BSC MS Developer Studio (MSDev) browser information file BSP Quake map BSQ Band Sequential Graphic file BST BibTeX bibliography style BTM Batch file used by Norton Utilities [EXECUTABLE!] BTN Parson's Announcements file (binary) [ANNOUNCEMENTS] BUD Backup disk for Quicken BUN CakeWalk Audio Bundle file (a MIDI program) BUS Business Card Image file (Parson's) [ANNOUNCEMENTS] B_W Atari black and white graphic BW Silicon Graphics Inc Black and White image file BYU A file in a Movie BYU format C C C code (source file) C01 Typhoon wave files ? CAB | M$ cabinet file (program files compressed CAB | for software distribution) (binary) CAD used by the drafting program "Drafix Cad">by Softdesk CAL |CALS Compressed Bitmap (binary) CAL |Calendar schedule data CAM Casio camera format CAP Compressed music file format (binary) CAR Announcements document file (card) ? CAS Comma-delimited ASCII file CAT IntelliCharge categorization file used by Quicken CB M$ clean boot file CBI Column binary formatted file (used in IBM mainframe systems) CCA cc:mail ? CCB Visual Basic Animated Button configuration CCF Multimedia Viewer configuration file used in OS/2 CCH Corel Chart CCM Lotus CC:Mail "box" (for example, INBOX.CCM) CCO CyberChat data file CCT Macromedia Director Shockwave cast CDA CD Audio Track File [CDPLAYER] CDB CardBase Document CDF |[network] Common Data Form CDF |M$ Channel Definition Format file (ASCII). CDF |Document (Content type MIME) CDF |Comma delimited file (ASCII) CDI Phillips Compact Disk Interactive format CDP ColorDesk image CDR |CorelDraw drawing (graphics) (binary) [PSP] CDR |Raw Audio-CD data CDT Corel Draw template CDX |Corel Draw compressed drawing (binary) CDX |M$'s Visual Foxpro Index CDX |CardBase import/export file CEL CIMFast Event Language file CER Certificate file (MIME x-x509-ca-cert) CER Certificate Image file (Parson's Announcements) CFB Compton's Multimedia file CFG Configuration file CFM |Cold Fusion template files; Corel Font Master file; CFM |HTM file; Customer form (Visual dBASE) CGI Common Gateway Interface script file (binary or ASCII) [BROWSER] CGM Computer Graphics Metafile (binary) [PSP] CH OS/2 configuration file CHK File fragments saved by Windows Disk Defragmenter or ScanDisk CHM Compiled HTML Help File; CHIME molecular graphics file (EXECUTABLE!) CHR Character Sets (Font files) CHP Ventura Publisher chapter CHT |ChartViewer file CHT |Harvard Graphics vector file (binary) CIL Clip Gallery download package CIM Sim City 200 file CIN OS/2 change control file that tracks changes to an INI file CK# iD/Apogee Commander Keen # (where # is a number) data file CLA Java class CLASS Java class CLL Crick Software Clicker File CLP Windows Clipboard file (binary or ASCII) [PSP] CLS Visual Basic Class Module CMD |Command Script for Windows NT (similar to DOS .BAT file), OS/2 CMD |DOS CP/M command file (EXECUTABLE!) CMD |dBase-II program file (EXECUTABLE!) CMF Corel Metafile CMP |JPEG Bitmap (binary) CMP |Address document CMV Corel Move animation CMX Corel Presentation Exchange image CND Melco Condensed Embroidery Machine Format CNF |Speed dial [RUNDLL32] CNF |Configuration file used by Telnet, Windows: CNF | and other applications with varying internal formats CNM Windows application menu options and setup file CNQ Compuworks Design Shop file CNT |Windows (or other) system content files for the: CNT | help index and other purposes CNV Canvas graphic file, thumbnails only COB trueSpace2 object COD | M$ C compiler output as displayable machine: COD | language/assembler with original C as comments COM MSDOS Application - Command file (binary) (EXECUTABLE!) CPD |Corel PrintOffice file (drawing) CPD |Fax Cover document [FAXCOVER] CPE Fax Cover document [FAXCOVER] CPH Corel Print House file CPI M$ MS-DOS code page information file CPL |Control Panel extension (EXECUTABLE!) [RUNDLL32] CPL |Corel color palette CPO Corel Print House file CPP C++ code CPR Corel Presents Presentation CPT Corel Photo-Paint image CPT EconoWatch Document CPX Corel Presentation Exchange Compressed drawing (binary) CR1 EconoWatch Document CR2 Canon RAW CR2 graphics file (binary) CRD Cardfile file CRP Corel Presents Run-Time Presentation CRT Internet Security Certificate (EXECUTABLE!) [RUNDLL32] CRW Canon RAW CRW graphics file (binary) CSC Corel Script (ASCII) CSD POEM, Singer EU, Viking Huskygram - Embroidery machine formats CSH |Cache file for Mosaic navigator; CSH |Unix shell script (csh) CSP PC Emcee On-Screen image CSS Cascading Style Sheet file (ASCII) CST |Macromedia Director "Cast" (resource) file CST |Cost module CSV Comma-separated values file, DOS or Win (ASCII) CT |SciTex Continuous Tone bitmap (binary) CT |A graphic file associated with the Paint Shop Pro Graphic CT | Editor Used in general to mean a file containing CT | control information. CTL |FAXWorks uses it to keep information about each CTL | fax sent and received. CTL |Control data file (tgs) CTR Comm Term Document (Content type MIME) CUE M$ Cue Cards data CUR Windows Cursor graphics file (binary) [VARIOUS] CUT Dr Halo bitmap (graphics) (binary) CV Corel Versions archive (binary) CV M$ CodeView information screen CVX Canvas graphics file (binary) CWK Claris Works data file CWL Claris Works file CWS Claris Works template CXT | Macromedia Director protected (not editable) CXT | "Cast" (resource) file CXX C++ source code file D DAT |Data file, "catchall" file, (ASCII/Binary) DAT |WordPerfect Merge Data DAT |Extension used for some MPEG formats DB |Borderland's Paradox 7 tables DB |M$ Paradox driver DBC M$'s Visual Foxpro Database container DBF |Aston-Tate dBase database; M$ dBase Driver; DBF |M$ dBase VFP Driver; M$ Fox Pro VFP Driver DBX |DataBeam Image; M$ Visual Foxpro table; DBX |Outlook Express Folder; Old Formula Graphics Multimedia file DCM DCM model format DCR |Kodak Raw DCR graphics file (binary) DCR |Shockwave file DCR |Macromedia Director Protected Movie (non-editable) DCS Desktop Color Separation file DCT M$'s Visual Foxpro Database container DCU Delphi compiled unit file DCX |Multiple page PCX file, graphics file (binary) DCX |M$'s Visual Foxpro Database container DCX |Fax image (based on PCX) (binary) DCX |Macros (X equal number) ? DCX |Intel SatisFAXtion file DCX |BitFax Pro ViewFax [VIEWFAX] DC5 DataCAD Drawing files DDF BTRIEVE database ? DDIF | Digital Equipment or Compaq format. Used for storing DDIF | images and their word processing documents DEF |SmartWare II data file DEF |C++ Definition DEFI Oracle 7 de-install script (ASCII) DEM USGS standards for Digital Elevation Models DEL Has to do with graphics files, eg, BMP files DER Internet Security Certificate [RUNDLL32] DES UNKNOWN (help appreciated) DEWF Macintosh SoundCap/SoundEdit recorded instrument format DEX Dalvik executable file DGN Microstation95 CAD drawing file DIB Windows - OS/2 Device-Independent Bitmap (graphics) (binary) DIC Dictionary (binary or ASCII) DIF Data Interchange Format spreadsheet DIG |Digilink format DIG |Sound Designer I audio file DIR |Macromedia Director movie DIR |Directory text file (tgs) (ASCII) DIZ Description file (text file, shareware) (ASCII) DJV DjVu graphics file (binary) DLG C++ Dialogue Script (ASCII) DLS DownLoadable Sound DLL Dynamic-Link Library (binary) DMC Icon file ? DMF X-Trakker music module (MOD) file DMP UNKNOWN (help appreciated) DNG Digital Negative file, RAW archive, graphics file (binary) DOC |FrameMaker or FrameBuilder document DOC |WordStar document DOC |WordPerfect document DOC |M$ Word document [WORD] DOC |DisplayWrite document DOT M$ Word document Template DPL Borland Delphi 3 packed library DPR Borland Delphi project header file DRAW Acorn's object-based vector image file DRV Driver file (binary) DRW Micrografx Designer/Draw (binary) DSF Micrografx Designer v7.x DSG DooM saved game DSM Dynamic Studio music module file DSP M$ Developer Studio project DSQ Corel QUERY file DST Embroidery machines graphics file - Tajima (binary) HUS Embroidery machines graphics file - Viking Husqvarna (binary) DSW M$ Developer Studio workspace DTD SGML Document Type Definition (DTD) file DTED Digital terrain elevation data (geographic data format) DTM DigiTrakker module DTF Symantec Q&A relational database data file DUN M$ Dial-up Networking Export file [RUNDLL32] DV Digital video file (MIME) DVB Refers to M$ V Basic file written from AutoCAD. DVI Digital Video Interactive file DWD DiamondWare digitized file DWG |Autocad Drawing files DWG |AutoCAD drawing, or older Generic CADD drawing format DXF | Autodesk Drawing Interchange (eXchange) format, DXF | a text representation of the binary DWG format (ASCII) DXF |Data Exchange File DXR Macromedia Director protected (not editable) movie file E E Eiffel source code EDA Ensoniq ASR disk image EDE Ensoniq EPS disk image EDD Element Definition Document (FrameMaker+SGML documents) EDK Ensoniq KT disk image EDQ Ensoniq SQ1/SQ2/KS32 disk image EDS Ensoniq SQ80 disk image EDV Ensoniq VFX-SD disk image EFA Ensoniq ASR file EFE Ensoniq EPS file EFK Ensoniq KT file EFQ Ensoniq SQ1/SQ2/KS32 file EFS Ensoniq SQ80 file EFV Ensoniq VFX-SD file ELA Embroidery machines graphics file - Old (binary) ELI Encarta Encyclopedia Article List EMD |ABT Extended MoDule EMD |Elna Xpressive embroidery machine format EMF Windows Enhanced Metafile graphics file (binary) EML M$OE mail message (ASCII) [NOTEPAD] [RUNDLL32] ENC Encore file ENFF Neutral File Format extension EPHTML Enhanced Perl-parsed HTML EPS |Encapsulated PostScript image EPS |TIFF preview file ER1 ERWin file ERM CNM EditingRoom Script ERR | Stores the error messages that result when the ERR | RoboHELP Help Compiler attempts to compile the ERR | source files of a Help system ERX ERWin file ? ESPF Encapsulated PostScript Files ESPS ESPS audio files (binary) EUI Ensoniq ESP family compacted disk image EVY Envoy document EWL M$ Encarta document EXC M$ Word Exclusion Dictionary EXD No info ????? (binary) EXE Executable file (program) (binary) (EXECUTABLE!) EXP |Embroidery machines graphics file - Melco Expanded (binary) EXP |Dos Expanded embroidery machine format EYB Encarta Encyclopedia Yearbook File F F FORTRAN file F2R Farandoyle linear module format F3R Farandoyle blocked linear module format F77 FORTRAN 77 file F90 FORTRAN 90 file FAR Farandole Composer music module file FAV M$ Outlook navigation bar FAX FAX Type image FBK Navison Financials Backup FCD Virtual CDROM FDB Navison Financials Database FDF Adobe Acrobat Forms Document file [ACRORD32] FEM CADRE Finite Element Mesh file FFA MS fast find file FFF GUS PnP bank file format FFL MS fast find file FFO MS fast find file FFT Final Form Text (part of IBM's DCA) (ASCII) FFX MS fast find file FH3 Aldus Freehand 3 drawing FIF Fractal image file FIG A file format used by REND386/AVRIL FIL ASCII text file (tgs) (ASCII) FITS |CCD camera image FITS |Flexible Image Transport System FLA |Macromidia Flash movie FLA |Free Lossless Audio Codec FLAC |Free Lossless Audio Codec FLC AutoDesk FLIC animation FLF |Corel Paradox Delived form ? FLF |Navison Financials License file FLI AutoDesk FLIC animation FLT Corel filter FLT Parson's Announcements file (binary) FLF An OS/2 driver file FLT |StarTrekker music module (MOD) file FLT |A file format use in MulitGen Inc.'s Open Flight FM Adobe FrameMaker Document FMB Oracle binary source code for form, version 4.0 and later FML File Mirror List (GetRight) FMS FractMus document (Fractal Music) FMT |Oracle text format of form, version 4.0+ FMT |M$ Schedule+ print file FMX Oracle executable form, version 4.0+ FND M$ Explorer Saved Search file (Find applet) [EXPLORER] FNG Font group file (Font Navigator) FNK FunkTracker module format FNT Bitmap font file (binary) FOG Fontographer font FON System font (Bitmap font file) (binary) [FONTVIEW] FOR FORTRAN file FOT Font-related file FP FileMaker Pro file FP1 Flying Pigs for Windows data file FP3 FileMaker Pro file FPT FileMaker Pro file FPT M$ FoxPro memo fields FPX |FlashPix Image File bitmap (binary) FPX |M$ Picture It! Image file FRM |Form template (ASCII) FRM |FrameMaker or FrameBuilder document FRM |Oracle executable form version 3.0 and earlier FRM |Visual Basic form FRM |WordPerfect Merge form FRM |Datacad Symbol Report file FRM |McIntosh file [MCNOTE32] FRX |Visual Basic form stash file FRX |M$ FoxPro report file FRT M$ FoxPro report file FSF fPrint Audit Tool file format FSL Borderland's Paradox 7 forms ? FSL Corel Paradox Saved form FSM Farandoyle Sample format ? FT | Lotus Notes Full Text index FT | Full-text Search Group file resulting from using FT | Find in the Windows Help system. Can be erased; regenerates FTG | Full-text Search Group file resulting from using FTG | Find in the Windows Help system. Can be erased; regenerates FTS | Full-Text Search index file resulting from using FTS | Find in the Windows help system FW2 Framework II FW3 Framework III file FW4 Framework IV file FXD Fax image file FXM Fax image file FXP M$ FoxPro compiled source file FXR Fax image file FXS Fax image file FZB Casio FZ-1 Bank dump FZF Casio FZ-1 Full dump FZV Casio FZ-1 Voice dump G G721 Raw CCITT G.721 $bit ADPCM format data G723 Raw CCITT G.723 3 or 5bit ADPCM format data GAL Corel Multimedia Manager album GCD |Generic (TM) CADD drawing (later versions) GCD |Global CD, file containing every single byte from a CD GCP | Ground Control Point file used in image processing of remote GCP | sensing data often to form map projections. CHIPS (CopenHagen GCP | Image Processing System) uses these files. GDB |InterBase database file GDB |Parson's Announcements file (binary) GDM Bells, whistles, and sound boards module format GED | GEDCOM genealogical data file, a popular format for GED | recording and exchanging genealogical data (ASCII) GED |Graphic Environment Document (drawing) GEM Ventura/GEM metafile (graphics file) (binary) GEN Ventura-Generated text file (ASCII) GetRight GetRight Unfinished-Download file GFC Patton&Patton Flowcharting 4 flowchart file GFI Genigraphics Graphics Link presentation (binary) GFX Genigraphics Graphics Link presentation (binary) GID Windows 95 global index file (containing help status) GIF CompuServe Graphics Interchange Format (binary) [MANY] GIM Genigraphics Graphics Link presentation (binary) GIX Genigraphics Graphics Link presentation (binary) GKH Ensoniq EPS family disk image file GKS Gravis GripKey document GL An animation format GMS UNKNOWN (help appreciated) GNA Genigraphics Graphics Link presentation (binary) GNC Great Notions Condensed embroidery machine format GNT | Generated Code, an executable code in a GNT | Micro Focus proprietary format GNX Genigraphics Graphics Link presentation (binary) GRA M$ Graph 97 chart GRD | Grid file, used in image processing of remote sensing GRD | data often to form map projections. CHIPS (CopenHagen GRD | Image Processing System) uses these files GRF Grapher (Golden Software) graph file GRP |M$ Program Group [GRPCONV] GRP |Program Manager Group GSM |Raw GSM 6.10 audio stream GSM |Raw 'byte aligned' GSM 6.10 audio stream GSM |US Robotics voice modems GSM w.o. header/VoiceGuide/RapidComm GSM |US Robotics voice modems GSM w. header/QuickLink GTK Graoumftracker (old) music module (MOD) file GT2 Graoumftracker (new) music module (MOD) file GWD Parson's Announcements file (ASCII_) GWP Greetings Workshop Project file GWX Genigraphics Graphics Link presentation (binary) GWZ Genigraphics Graphics Link presentation (binary) GZ (UNIX) Gzip compressed file (binary) GZIP Compressed file GZZ Compressed file [WINZIP32] H H C program header HA Compressed archive HAM Driver file (Novell); vector graphics saved fine (Amiga) HAP |Compressed archive HAP |Help file [WINHLP32] HCOM Sound Tools HCOM format HDF A file in Hierarchical Data Format HED HighEdit document HEL M$ Hellbender saved game HEX Macintosh BinHex 2.0 file HGL HP Graphics Language drawing (binary) HH | Map file. Contains topic IDs and map numbers for each HH | of the topics in a Help system. Allows the running HH | application to send the user the appropriate HH | context-sensitive help topic HIT Audio file HIT player HHK An index file HLP |Help file (EXECUTABLE!) [WINHLP32] HLP |DataCAD Windows Help file HOG Lucas Arts Dark Forces WAD file HPG HP Vector Image, HPGL Plotter file (Autocad - Harvard Graphics) HPJ Visual Basic Help Project HPP C++ program header HQX Macintosh BinHex 4.0 file (compressed) (binary) HST History file ? (ASCII) NOTEPAD] [WORDPAD] HT HyperTerminal datafile (binary) [HYPERTRM] HTA HTML Applications (EXECUTABLE!) HTM Hypertext document (ASCII) [BROWSER] HTML Hypertext document (ASCII) [BROWSER] HTT M$ Hypertext Template (ASCII) HTX Extended HTML template (ASCII) HUS Embroidery machines graphics file - Viking Husqvarna (binary) HXM Descent2 HAM file extension I IBM Data files for "Grandma and Me" ICA Citrix WinFrame file ICB Targa bitmap (binary) ICC Kodak printer format ICL Icon Library file (industry standard) [VARIOUS]] ICM Image Color Matching profile file ICN AT&T ICN, graphics file ICO Windows Icon [VARIOUS] IDB MSDev 'intermediate' file IDD MIDI Instrument Definition IDE Project (Borland C++ 4.x) IDF |MIDI Instrument Definition (Win95 required file); IDF |Instruments drivers file IDQ Internet Data Query file IDX |M$ FoxPro relational database index file IDX |Symantec Q&A relational database index file IDX |M$ Outlook Express file IFF Interchange Format Files, Amiga ILBM (graphics) (binary) IGB UNKNOWN (help appreciated) IGES Initial Graphics Exchange Specification file (binary) IGF Inset Systems metafile IIF QuickBooks for Windows interchange file IL Icon library file ILBM A bitmap (graphic image) file (binary) IMA WinImage file (binary) IMG GEM Paint image file (binary) IMH UNKNOWN (help appreciated) IN Copy of IN.MBX (Eudora inbound mail box) INC Assembler language or Active Server include file INF |Information file (ASCII) INF |Setup Information file [NOTEPAD] INF |Executable!? ????? INI |Initialization file; configuration file (ASCII) [NOTEPAD] INI |MWave DSP synth's mwsynth.ini GM-setup INI |Gravis UltraSound bank setup INP Oracle source code for form, version 3.0 and earlier INRS INRS-Telecommunications audio INS |InstallShield install script (ASCII) INS |Internet Communications setting [ISIGNUP] INS | X-Internet sign-up file INS | Ensoniq EPS family instrument INS | Sample Cell/II MAC/PC instruments INS EXECUTABLE! ????? INT | Intermediate Code, an executable code produced when INT | a source program is syntax-checked IOF Findit document IPG UNKNOWN (help appreciated) IPK Internet Package Archive (SourceForge.net) IQY M$ Internet Inquiry file ISO | Lists the files on a CD-ROM; based on the ISO 9660 ISO | CD-ROM file system standard ISP |Internet Communication setting [ISIGNUP] ISP | X-Internet sign-up file ISP EXECUTABLE! ????? IST Digitaltracker instrument file ISU InstallShield uninstall script (ASCII) IT Impulse Tracker music module file (binary) ITI Impulse Tracker instrument ITS Impulse Tracker sample ITS Internet document set (possibly a M$ file) IV A file format use in Open Inventor IW Idlewild screensaver J J62 Ricoh camera format JAR | Java ARchive file (a compressed file for applets JAR | and related files-PKZipped) (binary) JAVA Java source code JBF Paint Shop Pro image browser file [PAINT SHOP PRO] JEF Janome/New Home embroidery machine format JFF JPEG file (graphics file) (binary) [MANY] JIF JPEG-JFIF Compliant image file (binary) [MANY] JFIF JPEG file (graphics file) (binary) [MANY] JMP SAS JMPDiscovery chart-to-statistics file JN1 Epic MegaGames Jill of the Jungle data file JP2 JPEG2000 48 bit support JPC JPEG2000 48 bit support JPE JPEG-JFIF Compliant bitmap (binary) [MANY] JPEG JPEG-JFIF Compliant bitmap, Adobe CMYK (binary) [MANY] JPG JPEG-JFIF Compliant bitmap (binary) [MANY] JS |JavaScript source code (ASCII) JS |JScript file JS |EXECUTABLE! ???? JSA JavaScript Application (unique to ThinSrvr) JSB JavaScript Bytecode JSE |JavaScript scriptEase JSE |JScript Encoded Script File EXECUTABLE! ???? JSH JavaScript Header JSI JavaScript Initialization JSP A HTML page containing a reference to a Java servlet (ASCII) JTD Ichitaro Word Processing file (Japanese) JTF JPEG bitmap (binary) JTN Graphics file (JFIF?) JWL Jewel Box label image (Roxio)...
K K25 Kurzweil 2500 sample KAR Karaoke MIDI file (text+MIDI) KDC Kodak Photo-Enhancer image file (binary) KBS UNKNOWN (help appreciated) KEY DataCAD Icon toolbar file KFX KoFax Group 4 image (binary) KIT Starkit file, similar to Java .JAR, only for TCL. KIZ Kodak digital postcard files KKW | Contains all K-keywords in the RoboHELP Help project KKW | Index Designer not associated with topics KMP Korg Trinity KeyMaP file KQP Konica camera native files (binary) KR1 Kurzweil 2000 sample (multi-floppy) KRZ Kurzweil 2000 sample KSF Korg Trinity Sample File KSM Embroidery machines graphics file - Old (binary) KYE Kye game data L L Lex source LA Audio file LBM Deluxe Paint bitmap (graphics) (binary) LBT M$ FoxPro labels LBX M$ FoxPro labels LCF Folio License Collection file LCS Folio License Update Script LDB M$ Access lock file LDL Corel Paradox Delivered library LEG Legacy document LES Logitech Entertainment system game profiles (same as REG file) LFT 3D Studio (DOS) loft file LGC Windows application access log LGD Windows application log LGE Windows application access log LGF Windows applictation log LGG Windows application access log LGO Logo; logo driver; renamed BMP; installation log file LGS WordExpress file LHA Alternate file suffix for LZH LIB Library LIC ASCII license information file (tgs) LIN DataCAD Line type file LIS Output file produced by a Structured Query Reporting (SQR) program LIV Symantec Liveupdate files, assorted types, ASCII/Binary LLX Laplink Exchange Agent LMA Audio file LNG UNKNOWN (help appreciated) LNK Windows shortcut file EXECUTABLE? LOG Log file (ASCII) LPD |Helix Nuts and Bolts file LPD |Avery LabelPro Design File LQT Liquid Audio File (binary) LRC Intel Video Phone file LSL Corel Paradox Saved library LSP AutoLISP, CommonLISP, and other LISP language files LST List file (ASCII) [NOTEPAD] LU ThoughtWing Library Unit file LVL Parallax Software's Miner Descent/D2 Level Extension LWLO Lightwave Layered Object file LWOB Lightwave Object file LWP Lotus Wordpro 96/97 file LWSC Lightwave Scene file LYR DataCAD Layer file LZH LH ARC compressed archive (binary) [WINZIP32] LZS Skyroads data file M M1V MPEG-related file (MIME type 'mpeg') Movie file [RUNDLL32] M3D Corel Motion 3D animation (binary) M3U MPEG URL (MIME audio file) audio/x-mpegurl M3U Playlist file (audio) (binary) MAT Matlab variables file (binary) MAC MacPaint image file (binary) MAD M$ Access module MAF M$ Access Form MAG Image file (binary) (Japanese?) MAGIC Magic Mail Monitor configuration file MAK Visual Basic or MS Visual C++ Project MAM M$ Access Macro MAN (UNIX) Manual page output MAP Map file MAP Duke Nukem 3D WAD game file (binary) MAQ M$ Access Query MAR M$ Access Report MARS UNKNOWN (help appreciated) [Encryption?] MAS |Master Dictionary file PCWrite MAS |Lotus Freelance Graphics Smartmaster file (binary) MAT M$ Access Table MAUD MAUD sample format MAX | A file format which represents a scene in MAX | KINETIX's 3D Studio MAX MAX |Paperport file [scanning app] MAX |OrCAD layout file MAZ |Hover maze data MAZ |A file format use by Division's dVS/dVISE MB1 Apogee Monster Bash data file MBOX Berkeley (UNIX) mailbox format MBX |Extension M$ Outlook adds to saved email MBX |Eudora mailboxes (ASCII) MCC |MSN Shorcut [CCDIALER] MCC |Dialer10 calling card MCC |Monu-Cad Pro CAD file MCD Monu-Cad Pro CAD file MCR DataCAD Keyboard macro file MCW M$ Word for Macintosh document MDA |M$ Access VBA add-in EXECUTABLE? ????? MDA |M$ Access workgroup for version 2 MDB M$ Access database file; M$ Access Driver MDE |Compiled M$ MDB file with all editable source code removed EXECUTABLE! ????? MDL |Digital Tracker music module (MOD) file MDL |Quake model file MDN M$ Access blank database template MDP UNKNOWN (help appreciated) MDW M$ Access Workgroup information file MDZ M$ Access wizard template EXECUTABLE! ????? MED Music Editor, OctaMED music module (MOD) file MER | Format for interchanging spreadsheet/database MER | data; recognized by Filemaker, Excel, and others MES aab Music Files ? MET Presentation Manager metafile MGF A file in a Materials and Geometry Format MHTM MHTML document (MIME) MHTML MHTML document (MIME) MI Miscellaneous ? MIC M$ Image Composer file MID |Eudora dialup script MID |MIDI music (binary) [MPLAYER] MID |Musical Instrument Digital Interface MIDI MIDI music (binary); Musical Instrument Digital Interface MIF Adobe FrameMaker Interchange Format MIFF |Machine Independent Format File. A multipart file MIFF | in the Multi-Purpose Internet Mail Extensions (MIME) MIFF | format; often created as the result of sending e-mail MIFF | with attachments in AOL. MIM |The files in a multipart MIM file can be "opened" MIM | unarchived and separated into individual files MIM | using Winzip or a similar program. (binary) MIME See MIM MIP Paint Shop Pro Multi image page layout file MIX M$ Picture It! image file (binary) MLI A file in 3D Studio's Material-Library format. MLI Encarta Encyclopedia Media List MME | A multipart file in the Multi-Purpose Internet Mail Extensions MME | (MIME) format; often created as the result of sending e-mail with MME | attachments in AOL. The files in a multipart MME file can be MME | "opened" (unarchived and separated into individual files) using MME | Winzip or a similar program. (binary) MMF Meal Master Format, a recipe cataloging format MMF M$ Mail File MMM M$ Multimedia Movie MMP Mindmapor MindManager file (binary) MMO Audioactive file (audio/x-mpg) MN2 Descent2 Mission File MND |Menu Source (AutoCad menu compiler) MND |Mandelbrot for Windows MNF |Saved MSN Search; [MSNFIND] MNF |font file for Janome computerized embroidery. MNI Mandelbrot for Windows MNG Multi-image Network Graphics (animation) (binary) MNT M$ FoxPro menus MNX M$ FoxPro menus MOD |FastTracker, StarTrekker, Noise Tracker music module file MOD |Protracker music module file MOD |M$ Multiplan spreadsheet MOD |Amiga/PC tracker module MOD |generic text/program module file (tgs) (ASCII) MOD |Eudora 3.0.6 script file MOV QuickTime for Windows movie [RUNDLL32] MP? UNKNOWN (help appreciated) MP1 MPEG Audio Layer 1 MP2 |MPEG Audio Layer 2, Movie file MP2 |MPEG Audio Layer 2 file (MIME video file) MP2U MPEG Media file MP2V MPEG Media file MP3 MPEG Audio Layer 3 (AC3) M3U MPEG file MPA MPEG-related file (MIME type 'mpeg') Movie file [RUNDLL32] MPE MPEG animation file, movie file [RUNDLL32] MPEG |Moving Pictures Expert Group - movie file; MPEG |animation file, movie clip [RUNDLL32] MPG |MPEG animation file MPG |MPEG Movie clip [RUNDLL32] MPP |M$ Project file MPP |CAD drawing file format MPR M$ FoxPro menus (compiled) MRI MRI Scan (Magnetic Resonance Imaging) MRW Konica Minolta RAW file MSA Magic Shadow Archive (binary) MSC M$ Common Console Document EXECUTABLE! MSDL Manchester's Scene Description Language MSF UNKNOWN (help appreciated) MSG Mail message [EXCHNG32] MSI Windows Installer Package EXECUTABLE! MSN |M$ Network document, MSN Central MSN |Descent Mission File MSO UNKNOWN (help appreciated) MSP |M$ Paint bitmap (binary) MSP |Windows Installer Patch EXECUTABLE! ????? MST |Transform file used in M$ installation procedures EXECUTABLE! ????? MST |Visual Test Source File MTM MultiTracker music module file (binary) MUL Online game called Ultima online MUS Music (ASCII) ? MUS10 Mus10 audio MUZ Similar to .WAV file, eg, sound file (binary) MVB M$ Multimedia Viewer file MWP Lotus Wordpro 97 Smartmaster file MXP UNKNOWN (help appreciated) N NAN Nanoscope files (Raw Grayscale) NAP NAP Metafile Vector image ? NAV |Eudora script NAV |MSN Application Extension NCB M$ Developer Studio file NCD Norton Change Directory NCF |Netware Command File NCF |Lotus Notes internal clipboard NCH |Various: Outlook Express News folder; temp file for Internet NCH | Mail/News, Outlook Express News file, Internet Mail/News dbx, NCH | DataBeam image file, M$ Visual Foxpro Table, Formula Graphics NCH | Multimedia project file NDO 3D low-polygon modeler, Nendo NDX ASCII index file (tgs) [NOTEPAD] NED MSN Application Extension NEF Nikon RAW NET Network NFF Neutral File Format NFL Folio Infobase link NFO |Folio Infobase [BVIEWS] NFO |ASCII information file (tgs) NIL Norton Icon Library file (EasyIcons-compatible) NIST NIST Sphere audio file NLB Oracle 7 data file NLM Netware Loadable Module NLU Norton Live Update E-Mail Trigger file NRG UNKNOWN (help appreciated) NSF Lotus Notes database NS2 Lotus Notes database (version 2) NST Noise Tracker music module (MOD) file NTF Lotus Notes database template NWC Noteworthy Composer song file NWS M$OE news message (MIME RFC822) [RUNDLL32] O O01 Typhoon voice file OBD M$ Office binder template OBD M$ Office Binder OBJ Object file OBT UNKNOWN (help appreciated) OBZ M$ Office Binder Wizard OCX M$ Object Linking and Embedding custom control ODL Object Definition Language - source M$ C++ ODS M$ Outlook Express mailbox file (?) OEF OESD Condensed embroidery machine format OFF 3D mesh Object File Format OFN M$ Office FileNew file OFT M$ Outlook template OKT Oktalyzer music module (MOD) file OLB OLE Object Library OLE OLE object OOGL Object Oriented Graphics Library (binary) OPL Organizer Programming Language source file - Psion/Symbian OPO OPL output executable file OPT M$ Developer Studio file OPX OPL extension DLL ORC Oracle 7 script (ASCII) ORF Olympus RAW file ORG Lotus Organizer file OR2 Lotus Organizer 2 file OR3 Lotus Organizer 97 file ORA Oracle 7 configuration OSS M$ Office Search file OST M$ Exchange/Outlook Offline file OTF Font file OV? UNKNOWN (help appreciated) OTL Super NoteTab template file (Fookes) OVL Program overlay (binary) P P10 Tektronix Plot 10 drawing P65 Pagemaker 6.5 file P7C Digital ID file (MIME) PAB M$ Personal Address Book PAC SB Studio II package PAD Portable Application Description (ASCII) fm ACDSee PAK Quake WAD file (binary) PAL A compressed file (binary) PAS Pascal source code (Borland) (ASCII) PAT |DataCAD Hatch pattern file PAT |Corel Draw pattern PAT |Advanced Gravis Ultrasound/Forte tech. Patch PBD PowerBuilder Dynamic library, an alternative to a native DLL PBF Turtle Beach Pinnacle Bank File PBK M$ Phonebook PBL | PowerBuilder Library used in the PowerBuilder PBL | development environment PBM Portable bitmap image file (binary) PBR PowerBuilder Resource PCD |Kodak Photo-CD image P-Code compiled test scripts as in PCD | M$ Tst and M$ Visual Test EXECUTABLE! ????? PCD |Kodak Photo CD Image PCD |Pfaff embroidery machine format PCE |Maps Eudora mailbox names to DOS filenames PCE |Eudora signature file (ASCII) PCH |Embroidery System PunCH file. Embroidery digitizing converts PCH | Image data to vector based data. The outlines of these vector PCH | based files are called Punch Files or sometimes Condensed files. PCL |Hewlett-Packard Printer Control Language file: PCL |(printer-ready bitmap) (binary) PCM |Audio file format PCM |OKI MSM6376 synth chip PCM format PCP Symantec Live Update Pro file PCQ Pfaff embroidery machine format PCS |PICS animation file PCS |Embroidery machine graphics file - Pfaff (binary) PCT Macintosh PICT file (graphics) (binary) PCX ZSoft Paintbrush bitmap (binary), image document, [MSPAINT] PDB |3Com Palmpilot database file PDB |Autospell file PDD Graphics format file PDF |Adobe Acrobat Portable Document Format [ACRORD32, PSP] PDF |Netware Printer Definition File PDF |Package Definition File from M$ Systems Management Server PDL Project Description Language file (Borland) PDQ Patton & Patton Flowcharting PDQ Lite file PDS Graphics file PEC |Embroidery machines graphics file - Brother (binary) PEC |Baby Lock, Bernina Deco, Brother, Simplicity - PEC | embroidery formats PEF Pentax RAW PEL |Baby Lock, Bernina Deco, Brother, Simplicity - PEL | embroidery formats PEM |Baby Lock, Bernina Deco, Brother, Simplicity - PEM | embroidery formats PES |Baby Lock, Bernina Deco, Brother, Simplicity - PES | embroidery formats PES Embroidery machines graphics file - Brother Ver 2 (binary) PF Aladdin Systems Private Files encrypted file PFA Type 1 font (ASCII) PFB Type 1 font (binary) PFC PF Component PFM Printer Font Metrics PFR Portable font resource file PGL HP Plotter drawing PGM Portable Graymap Image file (bitmap) (binary) PGN Portable Game Notation, eg, chess game move list PGP Pretty Good Privacy encrypted file PH Temporary file generated by M$ Help Compiler PHB Baby Lock, Bernina Deco, Brother - embroidery formats PHC Baby Lock, Bernina Deco, Brother - embroidery formats PHP HTML Script [BROWSER] PHTML Perl-parsed HTML PIC |Softimage PIC graphics file PIC |PC Paint bitmap Image File (binary) PIC |Lotus picture file (binary) PIC |Macintosh PICT drawing (binary) PICT Macintosh PICT image file (binary) PIF |Program Information File (Binary/ASCII) EXECUTABLE! ????? PIF |IBM PIF drawing (binary) PIF |Shortcut to MS-DOS Program PIG Lucas Arts Dark Forces WAD file (binary) PIN Epic Pinball data file PIX |Inset Systems bitmap (binary) PIX |Alias PIX 24 bpp PJ MKS Source Integrity file PJX M$'s Visual Foxpro Project PJT M$'s Visual Foxpro Project PKG | M$ Developer Studio application extension PKG | (similar to a DLL file) (binary) PKO Public Key Security Object (M$) PKR PGP Public Keyring PL Perl program PLA Hypertext script file (PERL?) (ASCII) PLG A file format used by REND386/AVRIL PLI Oracle 7 data description PLM DisorderTracker2 module PLS DisorderTracker2 sample; Playlist file (binary) PLS MPEG PlayList file (used by WinAmp) PLS MP3 File PLT HPGL Plotter drawing (binary) PLT AutoCAD Plot drawing (binary) PLT Gerber sign-making software PM5 Pagemaker 5.0 file PM6 Pagemaker 6.0 file PNET Network Project PNF |Bitmap gfx (Portable Network gfx Frame) (standalone stream) PNF |Precompiled setup information (Windows) PNG |Portable Network Graphics bitmap (binary) PNG |Paint Shop Pro Browser catalogue PNM Image file (binary) PNP UNKNOWN (help appreciated) PNT MacPaint graphic file (binary) PNTG Same as PNT file POG Descent2 PIG file extension POS Poster Image file (Parson's) [ANNOUNCEMENTS] POT M$ PowerPoint Template POV Persistence of Vision ray-tracer PP4 Picture Publisher 4 bitmap (binary) PPA M$ PowerPoint Add-in PPF Turtle Beach Pinnacle Program File PPM Portable Pixmap bitmap image file (binary) PPP Parson Power Publisher PPP Serif PagePlus desktop publishing default output PPS |M$ PowerPoint slide show PPS |Paint Shop Pro image PPT M$ PowerPoint presentation file or slide PRC 3Com Palmpilot resource (text or program) file PRE Lotus Freelance presentation PRF |Windows system file PRF |Macromedia Director settings file PRG |dBase, Clipper, and FoxPro program source files PRG |WAVmaker program PRJ Project File (3d Studio - DOS) PRN |Print Table (space delimited text) (ASCII) PRN |DataCAD Windows Printer file PRO Properties file (Netscape); Profile file (ASCII/binary) PRS Harvard Graphics for Windows presentation (binary) PRT A print-formatted file; reserved word in BASIC versions PRV A PsiMail Internet provider template file PRZ Lotus Freelance Graphics 97 file (binary) PS |Encapsulated PostScript image file (binary) PS |Adobe Postscript printer-ready file PSB Pinnacle Sound Bank PSD Adobe Photoshop Document bitmap image file (binary) PSF Palette Storage Format PSI PSION a-law audio (binary) PSM |Protracker Studio Module format PSM |Sound data for Epic's games PSP |Paint Shop Pro graphic file PSP |Photo Shop Pro Raster Image (graphics) (binary) [PSP] PST M$ Outlook Personal Folder File PTM Polytracker music module (MOD) file PTR Print ready file; reserved word in BASIC versions PUB Ventura Publisher publication PUB M$ Publisher document PWD M$ Pocket Word document PWL Windows 95 password list file PWP Photoworks image file (film roll) PWZ M$ PowerPoint Wizard PXL M$ Pocket Excel spreadsheet PY |Save emessages from Yahoo PY |Python source code PYC Python byte code file Q QAD PF QuickArt Document QBW QuickBooks for Windows file QCP Qualcomm PureVoice file (binary) QDT | Quick Books data file from the Quicken UK QDT | Accountancy/Tax/Invoice eprogram QD3D Apple's QuickDraw 3D Metafile format QFL FAMILY LAWYER document QFI Quicktime QIC M$ Backup file [BACKUP] QIF QuickTime-related image (MIME) QIF Quicken Import File QIZ Question text file (ASCII) (tgs) QLB Quick Library QM Quality Motion file QOT Quotes text file (ASCII) (tgs) QPS UNKNOWN (help appreciated) QPW Quattro Pro Project file QRY M$ Query QST Quake Spy Tab file QT QuickTime Movie (binary) [RUNDLL32] QTD Parson's Announcements file (binary) QTI QuickTime-related image (binary) QTIF QuickTime-related image (binary) QTM QuickTime Movie (binary) QTP QuickTime Preferences file QTS Mac PICT image file (binary) QTS QuickTime-related image (binary) QTW Quicktime for Win32 information file (ASCII) QTX QuickTime-related image (binary) QW Symantec Q&A Write program file QXD Quark XPress file QXT Quark Xpress Template file R R Pegasus Mail resource file RA RealAudio sound file (binary) [RAPLAYER] RAF Fujifilm RAW graphics file RAM RealAudio metafile [RAPLAYER] RAR RAR compressed archive (Eugene Roshall's format) (binary) RAS Sun Raster Image File format (binary) RAW |Raw File Format (bitmap) (binary) [MULTIPLE] RAW |Template file for MemoryMate (binary) RAW |Raw signed PCM data RBF RBASE datafile [RBASE] RBH |Maintained by RoboHELP, the RBH file adds to RBH | the information contained in the Help project file RC Resource Compiler script file (BORLAND C++ / MS C++) RCT Resource template RDF Resource Description Framework file (related to XML and metadata) RDL Descent Registered Level REC Recorder macro REC RapidComm voice file (binary) REG Registration/Registry Entries EXECUTABLE! ????? [REGEDIT] RES M$ Visual C++ Resource RFT | Revisable Form Text (part of IBM's DCA or RFT | Document Content Architecture) RGB Silicon Graphics RGB files (binary) RGS COM object registry script RIF Metacreations Painter format RLE Win/Compuserve Run-Length Encoded bitmap (binary) Note RLL UNKNOWN (help appreciated) ????? RL2 Descent2 Registered Level RM RealAudio video file (binary) RMD M$ RegMaid document RME ASCII Readme file (tgs) [WORDPAD] [NOTEPAD] RMF Rich Map Format (used by 3-D game editors to store a map) RMI MIDI music sequence (binary) [MPLAYER] RMJ RealJukebox file (binary) RMX RealJukebox file (binary) ROV Rescue Rover data file RPM RedHat Package Manager package (for Linux) RPT M$ Visual Basic Crystal Reports file RRS save file for the ace game Road Rash RSB Red Storm Image format RSL Borderland's Paradox 7 reports RTF Windows Rich Text Format document [WORDPAD] [MCWORDPA] RTM Real Tracker music module (MOD) file RTK Used by RoboHELP to simulate search feature of Windows help RTS |RealAudio's RTSL document RTS |RoboHELP to speed complex operations RTS |Remode Ridicule Sound File (Apogee) RUL Extension used in InstallShield RVP M$ Scan Configuration file (MIME) RXX | RAR compressed files from a multi-volume archive RXX | (XX = a number from 01 to 99) (binary) S S Assembly language source code file.S for cpp (Unix) S3I Scream Tracker v3 instrument S3M Sound module file for ScreamTracker v3 SAM |Ami Professional document SAM |Signed 8bit sample data SAS |"The record layout of a data set in SAS transport SAS | (XPORT) format [SAS Institute Inc]"; SAS |Source code file (VMS) SAV Saved game file SB Raw Signed Byte (8bit) data SBK | Creative Labs Soundfont 1.0 Bank file SBK | (Soundblaster)/EMU SoundFont v1.x Bank files SBL |Shockwave Flash object SBL |Softbridge BASIC Language, associated with Kofax SBR Source M$ Browser Database Maintenance Visual C++ SC2 |M$ Schedule+ 7 file format SC2 |SAS catalog (Windows 95/NT, OS/2, Mac) SCC M$ Source Safe file SCD |Matrix/Imapro SCODL slide image SCD |M$ Schedule+ 7 SCF Windows Explorer command file SCH M$ Schedule+ 1 SCI ScanVec Inspire Native file format SCN trueSpace2 scene SCP Dial-Up Networking Script (ASCII) [NOTEPAD] SCR |Windows screensaver (binary) (EXECUTABLE!) SCR |Fax image (binary) SCR |Script file SCT |Windows Script Component EXECUTABLE! ????? SCT |SAS catalog (DOS) SCT |SciTex Continuous Tone bitmap (binary) SCT |M$ FoxPro forms SCT01 SAS catalog ((UNIX) SCV ScanVec CASmate Native file format SCX M$ FoxPro forms SD Sound Designer I audio (binary) SD2 |Sound Designer 2 flattened file/data fork SD2 |SAS database (Windows 95/NT OS/2, Mac) SDF System Data File Format - legacy Unisys (Sperry) format SDK Roland S-series floppy disk image SDL SmartDraw library (binary) SDR SmartDraw drawing (binary) SDS Raw Midi Sample Dump Standard file SDT SmartDraw template SDV Semicolon Divided Values file SDW |Lotus WordPro graphic file (binary) [BVIEWS] SDW |Raw Signed DWord (32bit) data; Folio Shadow file; SDW |Sun Microsystems Staroffice document SDX Midi Sample Dump Standard files compacted by SDX SEA | Self-expanding archive (used by Stuffit for Mac SEA | files and possibly by others) (binary) SEP Tagged Image File Format (TIFF) bitmap (binary) SES Cood Edit Session file (common digital audio editor file ) SET File set for M$ backup [BACKUP] SEW Elna, Janome/New Home, Kenmore Embroidery machines file (binary) SF IRCAM SoundFile format SF2 Emu SoundFont v2.0 file (binary) SFC System File Checker File (base for system file verification) SFD SoundStage Sound File Data (binary) SFI SoundStage Sound File Info (binary) SFL Soft fonts file (binary) SFP Soft fonts file (binary) SFR Sonic Foundry Sample Resource SFW Seattle Film Works (Mangled JPEG) (binary) SFX RAR self-extracting archive (binary) SF2 Creative Labs Soundfont 2.0 Bank file (Soundblaster) SGI Silicon Graphics image format SGML Standard Generalized Markup Language (ASCII) SH Shell script (UNIX) SHB |Corel Show presentation SHB |Document shortcut file [RUNDLL32] SHG Hotspot bitmap (binary) SHM Shell macro (M$ Word Perfect for Windows library) SHP |3D Studio (DOS) shapes file (binary) SHP |File format used by some programs for 3D: SHP |modeling of multipart interactive triangle models SHP |Vector format used by Geographic Information System. SHP |Used to describe geographic and alphanumeric data. SHS Shell Scrap Object EXECUTABLE! ????? [RUNDLL32] SHT SHTML, HTML file containing server side includes SHV Viking Husqvarna embroidery graphics format SHW Corel Show presentation SIG Signature file SHTML HTML file containing Server Side Includes (SSI) SIT Stuffit archive of Mac files (binary) SIZ Oracle 7 configuration SKA PGP secret Keyring SKC ISIS/Draw sketch file SKD Autosketch Drawing Base (binary) SKL Macromedia Director resource file SL PACT's Save Layout extension SLB AutoDesk Slide Library File Format SLD AutoDesk Slide File Format SLK Symbolic Link (SYLK) spreadsheet SM3 DataCAD Symbol file SMIL Sound file SMM Macro (Ami Pro) SMP |Samplevision format SMP |Ad Lib Gold Sample SND |Sound clip (Basic) [RUNDLL32] SND |NeXT sound; Unix sound file; Mac Sound Resource; SND |Raw unsigned PCM data[?]; AKAI MPC-series sample SNDR Sounder sound file SNDT Sndtool sound file SNP Snapshot file of M$ Access 97 report SOU SB Studio II sound SPD Speach Data file SPL |Shockwave Flash Object SPL |Digitracker Sample SPP UNKNOWN (from Autospell) SPPACK SPPack sound sample SPRITE Acorn's bitmap format (binary) SQC Structured Query Language (SQR) common code file SQL |Informix SQL queries SQL | Generally used by database products as an extension SQL | for SQL queries (scripts, text, or binary) SQR Structured Query Language program file SRF TerraGen SuRFace MAP SRFMAP TerraGen SuRFace MAP SRG M$ Office File ? SRS Sun Raster Image SRT |UNKNOWN (help appreciated) [MCNOTE32] SRT |alpha sorted text file (tgs) (ASCII) SSD01 SAS data sets ((UNIX)) SSD SAS database (DOS) SSI Server Side Include ? STF |Setup Table Files, (configuration) for AutoroutesExpress, STF |Office, etc (M$); STF |Copy of Script; STF |ACME Table Files (winword.exe) STM | Shorter suffix for .shtml, an HTML file containing STM | a Server Side Include (SSI) STM |Scream Tracker v2 music module file ST Atari ST disk image STD Sexually Transmitted Disease [Something entirely different] STR Screensaver extension (binary) ? STY Ventura Publisher style sheet SVG Scalable Vector Graphics, a vector graphics file format SVG | that enables two-dimensional images to be displayed SVG | in XML pages on the Web. SVX Amiga 8SVX sound SVX Interchange file format, 8SVX/16SV SW Raw signed Word (16bit) data SWA Shockwave audio file in Macromedia Director (an MP3 file) SWF Micromedia flash, Shockwave Flash object file SWP DataCAD Swap file SYS M$ System file SYW Yamaha SY-series wave files ? T TAB Guitar Tablature file TAR Tape Archive (compressed)(binary) [WINZIP32] TAZ UNIX - Gzip/Tape Archive (compressed)(binary) TBK Asymetrix Toolbook interactive multimedia files TCL The TCL Language TDB Thumbs Plus database TDDD A file format use by the Imagine & Turbo Silver ray-tracers TDES UNKNOWN (help appreciated) [Encryption?] TEB UNKNOWN (help appreciated) [NOTEPAD] TEM ASCII Template file [NOTEPAD] TEX Texture file TGA Targa bitmap (binary) TGS Personal file, eg, Tom Stewart's File (ASCII) (tgs) TGZ UNIX - Gzip/Tape Archive (compressed)(binary) [WINZIP] THEME Windows 95 Desktop Theme THN Graphics Workshop for Windows thumbnail (binary) TIB Taiwan Image Bank image file, UNKNOWN (from Autospell) TIF Tagged Image File Format bitmap (binary) [MULTIPLE] TIFF Tagged Image File Format bitmap (binary) [MULTIPLE] TIG Tiger file, used by US government to distribute maps TJM CrazyTalk model file TLB OLE Type Library TLE Two-Line Element set (NASA) TMP Windows temporary file TOC Table of contents of Eudora mailboxes TOL Kodak photoenhancer TOS The Operating System for Atari 16/32 and 32/32 computers TPL CakeWalk Audio Template file TPL DataCAD Template file TPP Teleport Pro Project TPS CrazyTalk scripted text document file TRK Kermit script file TRM Terminal file TRN MKS Source Integrity project usage log TSK Autospell ? TSK UNKNOWN (help appreciated) [ACRORD32] TTF TrueType font (binary) [FONTVIEW] TTK Corel Catalyst Translation Tool Kit TUB Jasc Paint Shop Pro Tube file (binary) [PAINT SHOP PRO] TWF TabWorks file TWW Tagwrite Template TX8 MS-DOS text (ASCII) TXB Descent/D2 Encoded Briefing File TXT |ASCII text-formatted audio data ? TXT |In most cases, an ASCII text file (ASCII) TXW Yamaha TX16W wave files ? TZ Old compression format file (binary) TZD Time Zone Data (ASCII) (Netscape) T2T Sonata CAD modeling software file U UB Raw unsigned byte (8-bit) data UDF Windows NT Uniqueness Database File UDW Raw unsigned doubleword (32-bit) data ULAW US telephony format (CCITT G.711) audio ULT Ultratracker music module (MOD) file UNI MikMod UniMod formatted file URL Internet shortcut file EXECUTABLE! ????? [RUNDLL32] USE MKS Source Integrity file UU UU-encoded file UUE UU-encoded file UW Raw unsigned word (16-bit) data UWF UltraTracker Wave file V V8 Covox 8-bit audio file VAP Annotated speech VB VBScript file EXECUTABLE! VBA VBase file VBE VBScript Encoded Script File VBP Visual Basic Project VBS |Visual Basic Script (Executable?) VBS |VBScript Script File VBW M$ Visual Basic workspace VBX Visual Basic custom control VCD Video file VCE | Natural MicroSystems (NMS) unformatted voice file VCE | (used by Cool Edit) VCF |Virtual card file (Netscape) VCF | Vevi configuration file; defines objects for use VCF | with Sense8's WorldToolKit VCS Event reminderlink to outlook calendar. VCT M$ FoxPro class library VCX M$ FoxPro class library VDA Targa bitmap (binary) VI | Virtual Instrument file from National Instruments VI | LABView product VIFF Khoros Visualization format VIP VIP customizing embroidery graphics format VIR | File identified as a virus-infected file by VIR | Norton AntiVirus and possibly others VIV VivoActive Player streaming video file VIZ Division's dVS/dVISE file VLB Corel Ventura Library VLM Loadable Binary Module, similar to .NLM used by Novell Netware VMF FaxWorks audio file VOB DVD video file VOC Creative Labs, Sound Blaster audio file VOM UNKNOWN (help appreciated) VOX Dialogic audio file coded using ADPCM VOX Natural MicroSystems (NMS) formatted voice file VOX Talking Technology audio file VP Ventura Publisher publication VQE Yamaha Sound-VQ Locator file VQF Yamaha Sound-VQ file (possible emerging standard) VQL Yamaha Sound-VQ Locator file VRF Oracle 7 configuration VRML A Virtual Reality Modeling Language file VSD Visio drawing (flow chart or schematic) VSL Download List file (GetRight) VSS Visio Stencil file VST Targa bitmap (binary) VSW Visio Workspace file VTC DICTIONARY file for AUTOSPELL VTD DICTIONARY file for AUTOSPELL [NOTEPAD] VXD M$ Windows virtual device driver VXE UNKNOWN (help appreciated) W WAB M$ Outlook Address Book file WAD | Large binary file for Doom game containing WAD | video, player level, and other information WAV Windows Waveform sound [SNDREC32] WAX Windows Media audio and video files WB1 QuattroPro for Windows spreadsheet WB2 QuattroPro for Windows spreadsheet WBK M$ Word Backup Document WBL Argo WebLoad II upload file WBMP Wireless Bitmap WBR Crick Software WordBar File WBT Crick Software Wordbar Template WCM WordPerfect Macro WCM M$ Works 4.0 Communication file WDB M$ Works 4.0 database WEB CorelXara Web document WF Weaver file (HTML) WFB Turtle Beach WaveFront Bank (Maui/Rio/Monterey) WFD Turtle Beach WaveFront Drum set (Maui/Rio/Monterey) WFN symbols for use in Corel Draw WFP Turtle Beach WaveFront Program (Maui/Rio/Monterey) WGP Wild Board Games data file WGT M$ NetMeeting Whiteboard WHT M$ NetMeeting Whiteboard... [WB32] WID Ventura width table WIL WinImage file WIZ M$ Word Wizard WK? Spreadsheet file (Lotus) WK1 Lotus 123 versions 1 & 2 spreadsheet WK3 Lotus 123 version 3 spreadsheet WK4 Lotus 123 version 4 spreadsheet WKBWKS Lotus 123 Worksheet spreadsheet WKS M$ Works 4.0 Sheet or Chart WLD REND386/AVRIL file WLF Argo WebLoad I upload file WLL M$ Word Add-In WM Windows Media audio and video files WMA Windows Media audio and video files WMD Windows Media audio and video files WMF Windows Meta File Format (graphics) (binary) WMP Windows Media audio and video files WMV Windows Media audio and video files WMZ Windows Media Player skins WOW Grave Composer music module (MOD) file WP WordPerfect document WPL Windows Media audio and video files WPW Novel PerfectWorks document WP4 WordPerfect 4 document WP5 WordPerfect 5 document WP6 WordPerfect 6 document WPC Webphone file; Wordpad converter; Wordperfect executable file WPD |Autospell file; Windows printer driver file; WPD |WordPerfect Document Demo; WordPerfect Screen Driver WPD |WordPerfect 6.0/7.0 Document; WPD |AutorouteExpress database file WPG WordPerfect Graphic file (bitmap or vector) (binary) [PSP] WPM WordPerfect Macro file WPS M$ Works document WPT WordPerfect Template WQ1 QuattroPro/DOS spreadsheet WQ2 QuattroPro/DOS version 5 spreadsheet WR1 Lotus Symphony WRF WebEx Player file. WRI Write document [MCWORDPA] WRK Cakewalk music audio project file WRL Virtual Reality model {VRML 3D Geometry} [BROWSER] WRZ Virtual Reality model {VRML 3D Geometry} [BROWSER] WS1 WordStar for Windows 1 document WS2 WordStar for Windows 2 document WS3 WordStar for Windows 3 document WS4 WordStar for Windows 4 document WS5 WordStar for Windows 5 document WS6 WordStar for Windows 6 document WS7 WordStar for Windows 7 document WSC Windows Script Component EXECUTABLE! WSD WordStar 2000 document WSE UNKNOWN (from Autospell) WSF Windows Script File EXECUTABLE! WSH Windows Scripting Host Settings File EXECUTABLE! WTA UNKNOWN (from Autospell) WVL Wavelet Compressed Bitmap (binary) WVX |Raccourci web audio Windows Media; WVX |Windows Media audio and video files WWL M$ Word add-in file X X AVS image format XAR Corel Xara drawing XBM A MIME 'xbitmap' image file (binary) [BROWSER] XI Instrument sample file for ScreamTracker XIF Wang image file (Windows 95) [WANGIMG] XL? UNKNOWN (help appreciated) XLA M$ Excel add-in XLB M$ Excel toolbar XLC M$ Excel chart XLD M$ Excel dialogue XLK M$ Excel backup XLL M$ Excel add-in file XLM M$ Excel macro XLS M$ Excel worksheet XLT M$ Excel template XLV M$ Excel VBA module XLW M$ Excel workbook / workspace XM FastTracker 2, Digital Tracker music module file XM eXtended module (audio) (binary) XML ASCII data file fm ACDSee, Eudora, and others XNK M$ Exchange shortcut file XPG Graphics File (binary) XPI Compressed File (PKZIP) XPM X BitMap format image file (binary) XR1 Epic MegaGames Xargon data file XTP XTree data file XWD X Window Dump format XWF Yamaha XG Works file (MIDI sequencing) XXE Compressed file (binary) XXX |Embroidery machines graphics file - Compucon/Singer (binary) XXX |ASCII correspondence template file (tgs) XXX |UNKNOWN (help appreciated) [MCWORDPA] XY3 XYWrite III document XY4 XYWrite IV document XYP XYWrite III Plus document XYW XYWrite for Windows 4.0 document X16 Macromedia Extra (program extension), 16 bit X32 Macromedia Extra (program extension), 32 bit X3F Sigma RAW X3F Y Y |YACC (Yet Another Compiler Compiler) ???? Y |YACC (Yet Another C Compiler) Y8U Graphics file ????? YAL Arts & Letters clipart library YBK M$ Encarta Yearbook Z Z UNIX - Gzip archive (compressed)(binary) ZGB Compressed file ZIP Compressed archive (binary) [WINZIP32] ZIP64 Compressed file ZLG Encrypted log files [e-Surveiller and others] ZLT EZ Firewall MailSafe Warning message ZOO An early compressed file format (binary)
Note: The RLE file format uses Run-Length Encoding to compress a graphics file. NOT all such files have the RLE file extension. PCX files, as well as some TIFF and BMP files, are RLE compressed, even though they keep their own extension and format.
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