Data Formats and Their Suggested File Extensions
Microsoft DOS and
Windows three letter file formats
(except they are not always three letters)
~ # $ 0 1 3 4 6 8 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
| .~$~ | 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 (Various) |
| .#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 |
| .$00 | Pipe file (DOS) |
| .$db | Temporary file (dBASE IV) |
| .$ed | Editor temporary file (MS C) |
| .$o1 | Pipe file (DOS) |
| .$vm | Virtual manager temporary file (Windows 3.x) |
| .000 | Compressed harddisk data (DoubleSpace) |
| .001 | Fax (many) |
| .075 | 75x75 dpi display font (Ventura Publisher) |
| .085 | 85x85 dpi display font (Ventura Publisher) |
| .091 | 91x91 dpi display font (Ventura Publisher) |
| .096 | 96x96 dpi display font (Ventura Publisher) |
| .0b | Printer font with lineDraw extended character set (PageMaker) |
| .1 | Roff/nroff/troff/groff source for manual page (cawf2.zip) |
| .15u | Printer font with PI font set (PageMaker) |
| .1st | Usually README.1ST text |
| .301 | Fax (Super FAX 2000 - Fax-Mail 96)) |
| .323 | H.323 Internet Telephony configuration |
| .386 | Intel 80386 processor driver (Windows 3.x) |
| .3ds | Graphics (3D Studio) |
| .3fx | Effect (CorelChart) |
| .3gr | Data file (Windows Video Grabber) |
| .3t4 | Binary file converter to ASCII (Util3) |
| .4c$ | Datafile (4Cast/2) |
| .4sw | 4dos Swap File |
| .4th | Forth source code file (ForthCMP - LMI Forth) |
| .669 | Music (8 channels) (The 669 Composer) |
| .6cm | Music (6 Channel Module) (Triton FastTracker) |
| .8 | A86 assembler source code file |
| .8cm | Music (8 Channel Module) (Triton FastTracker) |
| .8m | Printer font with Math 8 extended character set (PageMaker) |
| .8u | Printer font with Roman 8 extended character set (PageMaker) |
| .a | Ada source code file |
| .a | Library (unix) |
| .a11 | Graphics AIIM image file |
| .ab6 | Datafile (ABStat) |
| .ab8 | Datafile (ABStat) |
| .abk | Automatic backup file (CorelDRAW) |
| .abs | Abstracts (info file) |
| .abs | Data file (Abscissa) |
| .ac3 | Creative PlayCenter media |
| .aca | Project (Project Manager Workbench) |
| .aca | Microsoft Agent files |
| .acb | Graphics (ACMB) |
| .acc | Program (DR-DOS - ViewMax) (GEM / resident) |
| .acf | Microsoft Agent files |
| .acg | Microsoft Agent files |
| .acl | AutoCorrect List (Microsoft Office) |
| .act | Actor source code file |
| .act | Foxdoc Action Diagrams (FoxPro) |
| .act | Presentation (Action!) |
| .ad | Screen saver data (AfterDark) |
| .ada | Ada source code file |
| .adb | Ada Package Body |
| .adc | Bitmap graphics (16 colors) (Scanstudio) |
| .adi | Graphics (AutoCAD) |
| .adl | Mca adapter description library (QEMM) |
| .adn | Add-in (Lotus 1-2-3) |
| .ads | Ada Package Specification |
| .adt | Datafile for cardfile application (HP NewWave) |
| .adt | Fax (AdTech) |
| .adx | Document (Archetype Designer) |
| .af2 | Flowchart (ABC FlowCharter 2.0) |
| .afi | Truevision bitmap graphics |
| .afl | Font file (for Allways) (Lotus 1-2-3) |
| .afm | Type 1 font metric ASCII data for font installer (ATM - many) |
| .afm | Datafile for cardfile application (HP NewWave) |
| .ai | Vector graphics (Adobe Illustrator) |
| .ain | Compressed file archive created by AIN |
| .aio | APL file transfer format file |
| .ais | Array of Intensity Samples graphics (Xerox) |
| .aix | Datafile for cardfile application (HP NewWave) |
| .all | Format file for working pages (Always) |
| .all | General printer information (WordPerfect for Win) |
| .all | Symbol and font files (Arts & Letters) |
| .alt | Menu file (WordPerfect Library) |
| .amf | Music (Advanced Module Format) |
| .amg | Compressed file archive created by AMGC |
| .amg | System image file (Actor) |
| .ani | Animation (Presidio - many) |
| .anm | Animation (Deluxe Paint Animator) |
| .ann | Help Annotations (Windows 3.x) |
| .ans | Ansi graphics (character animation) |
| .ans | Ascii text ANSI character set (NewWave Write) |
| .aos | Add-On Software (Nokia 9000) |
| .ap | Compressed Amiga file archive created by WHAP |
| .ap | Datafile (Datalex EntryPoint 90) |
| .apc | Printer driver (Lotus 1-2-3) |
| .apd | Printer driver (Lotus 1-2-3) |
| .apf | Printer driver (Lotus 1-2-3) |
| .api | Passed parameter file (1st Reader) |
| .api | Printer driver (Lotus 1-2-3) |
| .apl | APL work space format file |
| .app | Add-in application file (Symphony) |
| .app | Application object file (dBASE Application Generator) |
| .app | Executable application file (DR-DOS - NeXTstep - Atari) |
| .app | Generated application (FoxPro) |
| .apr | Employee performance review (Employee Appraiser) |
| .apx | Appexpert database file (Borland C++ 4.5) |
| .arc | Compressed file archive created by ARC (arc602.exe/pk361.exe) |
| .arc | Compressed file archive created by SQUASH (squash.arc) |
| .arf | Automatic Response File |
| .ari | Compressed file archive created by ARI |
| .arj | Compressed file archive created by ARJ (arj241.exe) |
| .ark | Arc file archive created by CP/M port of ARC file archiver |
| .ark | Compressed file archive created by QUARK |
| .arr | Arrangement (Atari Cubase) |
| .art | Graphics (scrapbook) (Art Import) |
| .art | Raster graphics (First Publisher) |
| .arx | Compressed file archive created by ARX |
| .asc | Ascii text file |
| .asc | Transport armor file (PGP) |
| .asd | Autosave file (Word for Windows) |
| .asd | Presentation (Astound) |
| .asd | Screen driver (Lotus 1-2-3) |
| .asf | Datafile (STATGRAPHICS) |
| .asf | Screen font (Lotus 1-2-3) |
| .ash | Assembly language header file (TASM 3.0) |
| .asi | Assembler include file (Turbo C - Borland C++) |
| .asm | Assembly source code file |
| .aso | Assembler object (object orientated) file (Turbo Assembler) |
| .asp | Aspect source code file (Procomm Plus) |
| .asp | Association of Shareware Professionals OMBUDSMN.ASP notice |
| .asp | Active Server Page (Internet Information Server) |
| .aspx | ASP.NET page (.NET Framework) |
| .at2 | Auto template (Aldus Persuasion 2.0) |
| .atm | Adobe Type Manager data/info |
| .au | Sound (audio) file (SUN Microsystems) |
| .aux | Auxillary references (TeX/LaTeX) |
| .aux | Auxiliary dictionary (ChiWriter) |
| .ava | Publication (Avagio) |
| .avi | Audio Video Interleaved animation file (Video for Windows) |
| .aw | Text file (HP AdvanceWrite) |
| .awk | Awk script/program |
| .awm | Movie (Animation Works) |
| .awp | Fax Key Viewer (Windows) |
| .aws | Fax Signature Viewer (Windows) |
| .aws | Data (STATGRAPHICS) |
| .b | Batch list (APPLAUSE) |
| .b&w | Black and white graphics (atari - mac) |
| .b&w | Mono binary screen image (1st Reader) |
| .b1n | Both mono and color binary screen image (1st Reader) |
| .b30 | Printer font (JLaser - Cordata) (Ventura Publisher) |
| .b64 | Base 64 encoded |
| .b8 | Raw graphics (one byte per pixel) plane two (PicLab) |
| .b_w | Black and white graphics (atari - mac) |
| .bad | Bad file (Oracle) |
| .bak | Backup file |
| .bal | Music score (Ballade) |
| .bar | Horizontal bar menu object file (dBASE Application Generator) |
| .bas | Basic source code file |
| .bat | Batch file (DOS) |
| .bb | Database backup (Papyrus) |
| .bbl | Bibliographic reference (TeX/BibTeX) |
| .bbm | Brush (Deluxe Paint) |
| .bbs | Bulletin Board System announce or text info file |
| .bch | Batch process object file (dBASE Application Generator) |
| .bch | Datafile (Datalex EntryPoint 90) |
| .bco | Outline font description (Bitstream) |
| .bcp | Borland C++ makefile |
| .bcw | Environment settings (Borland C++ 4.5) |
| .bdf | Bitmap Distribution Format font file (X11) |
| .bdf | Datafile (Egret) |
| .bdr | Border (MS Publisher) |
| .bez | Outline font description (Bitstream) |
| .bf2 | Bradford 2 font |
| .bfm | Font metrics (unix/Frame) |
| .bfx | Fax (BitFax) |
| .bga | Bitmap graphics |
| .bgi | Borland Graphics Interface device driver |
| .bib | Bibliography (ASCII) |
| .bib | Database - not compatible with TeX format (Papyrus) |
| .bib | Literature database (TeX/BibTeX) |
| .bif | Binary Image Format b&w graphics (Image Capture board) |
| .bin | Binary file |
| .bio | OS/2 BIOS |
| .bit | Bitmap X11 |
| .bk | Faxbook (JetFax) |
| .bk! | Document backup (WordPerfect for Win) |
| .bk1 | Timed backup file for document window 1 (WordPerfect for Win) |
| .bk2 | Timed backup file for document window 2 (WordPerfect for Win) |
| .bk3 | Timed backup file for document window 3 (WordPerfect for Win) |
| .bk4 | Timed backup file for document window 4 (WordPerfect for Win) |
| .bk5 | Timed backup file for document window 5 (WordPerfect for Win) |
| .bk6 | Timed backup file for document window 6 (WordPerfect for Win) |
| .bk7 | Timed backup file for document window 7 (WordPerfect for Win) |
| .bk8 | Timed backup file for document window 8 (WordPerfect for Win) |
| .bk9 | Timed backup file for document window 9 (WordPerfect for Win) |
| .bkp | Backup file (Write - TurboVidion DialogDesigner) |
| .bkw | Mirror image of font set (FontEdit) |
| .bld | Bloadable picture (BASIC) |
| .blk | Temporary file (WordPerfect for Win) |
| .bm | Bitmap graphics |
| .bmk | Help Bookmarks (Windows 3.x) |
| .bmp | Bitmap graphics (PC Paintbrush - many) |
| .bnk | Adlib instrument bank file |
| .boo | Compressed file ASCII archive created by BOO (msbooasm.arc) |
| .bpc | Chart (Business Plan Toolkit) |
| .bpt | Bitmap fills file (CorelDRAW) |
| .br | Script (Bridge) |
| .brd | Eagle Layout File |
| .brk | Fax (Brooktrout Fax-Mail) |
| .bsa | Compressed file archive created by BSARC |
| .bsc | Compressed Apple II file archive created by BINSCII |
| .bsc | Database (Source Browser) |
| .bsc | Pwbrmake object file (MS Fortran) |
| .btm | Batch To Memory batch file (4DOS) |
| .bug | Bugs and Problems |
| .bup | Backup file |
| .but | Button definitions (Buttons!) |
| .buy | Datafile format (movie) |
| .bv1 | Overflow file below insert point in Doc 1 (WordPerfect for Win) |
| .bv2 | Overflow file below insert point in Doc 2 (WordPerfect for Win) |
| .bv3 | Overflow file below insert point in Doc 3 (WordPerfect for Win) |
| .bv4 | Overflow file below insert point in Doc 4 (WordPerfect for Win) |
| .bv5 | Overflow file below insert point in Doc 5 (WordPerfect for Win) |
| .bv6 | Overflow file below insert point in Doc 6 (WordPerfect for Win) |
| .bv7 | Overflow file below insert point in Doc 7 (WordPerfect for Win) |
| .bv8 | Overflow file below insert point in Doc 8 (WordPerfect for Win) |
| .bv9 | Overflow file below insert point in Doc 9 (WordPerfect for Win) |
| .bwb | Spreadsheet application (Visual Baler) |
| .bwr | Beware (buglist) (Kermit) |
| .c | C source code file |
| .c | Compressed unix file archive created by COMPACT |
| .c++ | C++ source code file |
| .c-- | Source code (Sphinx C--) |
| .c00 | Print file (Ventura Publisher) |
| .c4 | Support file (Catfish File Manager) |
| .c86 | C source code file (Computer Innovation C86) |
| .ca | Initial cache data for root domain servers (Telnet) |
| .cab | Microsoft compressed format |
| .cac | dBASE IV executable when caching on/off (see cachedb.bat) |
| .cad | Document (Drafix Windows CAD) |
| .cal | Calendar file (Windows 3.x) |
| .cal | Spreatsheet (SuperCalc) |
| .can | Fax (Navigator Fax) |
| .cap | Caption (Ventura Publisher) |
| .cap | Session capture file (Telix) |
| .cat | Catalog (dBASE IV) |
| .cbc | Fuzzy logic system (CubiCalc) |
| .cbl | Cobol source code file |
| .cbm | Compiled bitmap graphics (XLib) |
| .cbt | Computer Based Training (many) |
| .cc | C++ source code file |
| .ccc | Bitmap graphics (native format) (Curtain Call) |
| .ccf | Communications configuration file (Symphony) |
| .cch | Chart (CorelChart) |
| .ccl | Communication Command Language file (Intalk) |
| .cco | Btx Graphics file (XBTX) |
| .cda | CD Audio Track (Windows) |
| .cdb | Card database (CardScan) |
| .cdb | Main database (TCU Turbo C Utilities) |
| .cdf | Graphics (netcdf) |
| .cdk | Document (Atari Calamus) |
| .cdr | Vector graphics (CorelDRAW native format) |
| .cdt | Data (CorelDraw 4.0) |
| .cdx | Compound index (FoxPro) |
| .ce | Main.ce (The FarSide Computer Calendar) |
| .ceg | Bitmap graphics (Tempra Show - Edsun Continuous Edge Graphics) |
| .cel | Graphics (Autodesk Animator - Lumena) |
| .cf | Configuration file (imake) |
| .cfg | Configuration |
| .cfl | Chart (CorelFLOW) |
| .cfn | Font data (Atari Calamus) |
| .cfo | C Form Object internal format object file (TCU Turbo C Utilities) |
| .cfp | Fax (The Complete Fax Portable) |
| .cga | CGA display font (Ventura Publisher) |
| .cgi | Common Gateway Interface script |
| .cgm | Computer Graphics Metafile vector graphics (A&L - HG - many) |
| .ch | Header file (Clipper 5) |
| .ch3 | Chart (Harvard Graphics 3.0) |
| .ch4 | Presentation (Charisma 4.0) |
| .chd | Font descriptor (FontChameleon) |
| .chi | Document (ChiWriter) |
| .chk | Recovered data (ChkDsk) |
| .chk | Temporary file (WordPerfect for Win) |
| .chl | Configuration History Log |
| .chn | Data (Ethnograph 3) |
| .chp | Chapter file (Ventura Publisher) |
| .chr | Character set (Turbo C - Turbo Pascal) |
| .cht | Chart (Harvard Graphics 2.0 - SoftCraft Presenter) |
| .cht | Interface file for ChartMaster (dBASE) |
| .cif | Caltech Intermediate Format graphics |
| .cif | Chapter information (Ventura Publisher) |
| .cit | Intergraph scanned image |
| .cix | Database index (TCU Turbo C Utilities) |
| .ckb | Keyboard mapping (Borland C++ 4.5) |
| .cl | Common LISP source code file |
| .clp | Clip art graphics (Quattro Pro) |
| .clp | Clipboard file (Windows 3.x) |
| .clp | Compiler script file (clip list) (Clipper 5) |
| .clr | Color binary screen image (1st Reader) |
| .clr | Color definitions (Photostyler) |
| .cls | C++ class definition file |
| .cm | Data file (CraftMan) |
| .cmd | Batch file (OS/2) |
| .cmd | Command (dBASE - Waffle) |
| .cmd | External command menu (1st Reader) |
| .cmf | FM-music file (Creative Music File) |
| .cmk | Card (Card Shop Plus) |
| .cmm | Cmm script (batch) file (CEnvi) |
| .cmp | Header file for PostScript printer files (CorelDRAW) |
| .cmp | User dictionary (MS Word for DOS) |
| .cmp | Bitmap graphics (Lead CMP compression) |
| .cmv | Animation (CorelMove CorelDraw 4.0) |
| .cnc | CNC general program data |
| .cnf | Configuration (program - printer setup) |
| .cnv | Data conversion support file (Word for Windows) |
| .cnv | Temporary file (WordPerfect for Win) |
| .cob | Cobol source code file |
| .cod | Datafile (Forecast Plus - MS Multiplan - StatPac Gold) |
| .cod | Program compiled code (FORTRAN) |
| .cod | Template source file (dBASE Application Generator) |
| .cod | Videotext file |
| .col | Color palette (Autodesk Animator - many) |
| .col | Spreadsheet (MS Multiplan) |
| .com | Command (memory image of executable program) (DOS) |
| .con | Configuration file (Simdir) |
| .cpd | Script (Complaints Desk) |
| .cpf | Fax (The Complete Fax) |
| .cpi | Code Page Information file (DOS) |
| .cpi | Colorlab Processed Image bitmap graphics |
| .cpl | Control panel file (Windows 3.x) |
| .cpl | Presentation (Compel) |
| .cpp | C++ source code file |
| .cpp | Presentation (CA-Cricket Presents) |
| .cpr | Knowledge Access graphics |
| .cps | Backup of startup files by Central Point PC Tools autoexec.cps |
| .cps | coloured postscript files |
| .cpt | Compressed Mac file archive created by COMPACT PRO (ext-pc.zip) |
| .cpt | Encrypted memo file (dBASE) |
| .cpt | Template (CA-Cricket Presents) |
| .cpz | Music text file (COMPOZ) |
| .crd | Cardfile (Windows Cardfile - YourWay) |
| .crf | Cross-reference (MS MASM - Zortech C++) |
| .crp | Encrypted database (dBASE IV) |
| .crs | File Conversion Resource (WordPerfect 5.1) |
| .crt | Terminal settings information (Oracle) |
| .cru | Compressed file archive created by CRUSH |
| .csg | Graph (Statistica/w) |
| .csm | Precompiled headers (Borland C++ 4.5) |
| .csp | Pc Emcee Screen Image file (Computer Support Corporation) |
| .css | Datafile (CSS - Stats+) |
| .css | Datasheet (Statistica/w) |
| .csv | Comma Separated Values text file format (ASCII) |
| .csv | Adjusted EGA/VGA palette (CompuShow) |
| .ctc | Control file (PC Installer) |
| .ctf | Character code translation file (Symphony) |
| .ctl | Control file (dBASE IV - Aldus Setup) |
| .ctx | Course TeXt file (Microsoft online guides) |
| .ctx | Ciphertext file (Pretty Good Privacy RSA System) |
| .cuf | C Utilities Form definition (TCU Turbo C Utilities) |
| .cur | Cursor image file (Windows 3.x) |
| .cut | Bitmap graphics (Dr. Halo) |
| .cv4 | Color file (CodeView) |
| .cvp | Cover page (WinFax) |
| .cvs | Graphics (Canvas) |
| .cvt | Backup file for CONVERTed database file (dBASE IV) |
| .cvw | Color file (CodeView) |
| .cxx | C++ source code file (Zortech C++) |
| .cym | cybercash file |
| .cyx | cybercash file |
| .dat | Data file in special format or ASCII |
| .db | Configuration (dBASE IV - dBFast) |
| .db | Database (Paradox - Smartware) |
| .db$ | Temperature debug info (Clarion Modula-2) |
| .db$ | Temporary file (dBASE) |
| .db2 | Database (dBASE II) |
| .db3 | Database (dBASE III) |
| .dba | Datafile (DataEase) |
| .dbd | Business data (Business Insight) |
| .dbd | Debug info (Clarion Modula-2) |
| .dbf | Database file (dBASE III/IV - FoxPro - dBFast - DataBoss) |
| .dbg | Symbolic debugging information (MS C/C++) |
| .dbk | Database backup (dBASE IV) |
| .dbm | Datafile (DataEase) |
| .dbm | Menu template (DataBoss) |
| .dbo | Compiled program (dBASE IV) |
| .dbs | Database in SQL Windows format |
| .dbs | Datafile (PRODAS) |
| .dbs | Printer description file (Word - Works) |
| .dbt | Data Base Text (Clipper) |
| .dbt | Foxbase+ style memo (FoxPro) |
| .dbt | Memo file for database w/same name (dBASE IV - dBFast) |
| .dbw | Windows file (DataBoss) |
| .dbx | DATABEAM graphics |
| .dca | Document Content Architecture text file (IBM DisplayWrite) |
| .dcf | Disk image file |
| .dcp | Data CodePage (OS/2) |
| .dcs | Bitmap graphics (CYMK format) (QuarkXPress) |
| .dcs | Datafile (ACT! Activity Files) |
| .dct | Database dictionary (Clarion Database Developer) |
| .dct | Spell checking dictionary (Harvard Graphics 3.0 - Symphony) |
| .dcx | Bitmap graphics (Multipage PCX) |
| .dd | Compressed Macintosh file archive created by DISKDOUBLER |
| .ddb | Bitmap graphics |
| .ddi | Diskdupe Image file (ddupe322.zip) |
| .ddp | Device Driver Profile file (OS/2) |
| .deb | Debug script (DOS Debug) |
| .def | Assembly header file (Geoworks) |
| .def | Defaults - definitions |
| .dem | Demonstration |
| .dem | Graphics (VistaPro) |
| .dev | Device driver |
| .dfd | Data Flow Diagram graphic (Prosa) |
| .dfi | Outline font description (Digifont) |
| .dfl | Default program settings (Signature) |
| .dfm | Data Flow Diagram model file (Prosa) |
| .dfs | Delight Sound File |
| .dfv | Printing form (Word) |
| .dg | Autotrol graphics |
| .dgn | Graphics (MicroStation) |
| .dgs | Diagnostics |
| .dh | Dependency information for .ph (Geoworks) |
| .dhp | Dr. Halo PIC Format graphics (Dr. Halo II - III) |
| .dht | Datafile (Gauss) |
| .dia | Diagraph graphics (Computer Support Corporation) |
| .dib | Bitmap graphics (Device-Independent Bitmap) |
| .dic | Dictionary |
| .dif | Database (VisiCalc) |
| .dif | Output from Diff command - script for Patch command |
| .dif | Text file (Data Interchange Format) |
| .dip | Graphics |
| .dir | Dialing directory file (Procomm Plus) |
| .dir | Directory file (VAX) |
| .dir | Movie (MacroMind Director 4.x) |
| .dis | Distribution file (VAX Mail) |
| .dis | Thesaurus (CorelDraw) |
| .diz | Description file (Description In Zip) |
| .dkb | Raytraced graphics (DKBTrace) |
| .dl | Animation (Italian origin) |
| .dld | Data (Lotus 1-2-3) |
| .dlg | Dialog resource script file (MS Windows SDK) |
| .dll | Dynamic Link Library (Windows 3.x - OS/2) |
| .dll | Export/import filter (CorelDRAW) |
| .dls | Setup (Norton Disklock) |
| .dmo | Demo (Derive) |
| .dmp | Dump file (eg. screen or memory) |
| .dms | Compressed Amiga file archive created by DISKMASHER |
| .doc | Document text file |
| .doc | Word document (Microsoft) |
| .dog | Screen file (Laughing Dog Screen Maker) |
| .doh | Dependency information for .poh (Geoworks) |
| .dos | External command file (1st Reader) |
| .dos | Network driver (eg. pkt_dis.dos) |
| .dos | Text file containing DOS specific info |
| .dot | Line-type definition file (CorelDRAW) |
| .dot | Template (Word for Windows) |
| .dox | Text file (MultiMate 4.0) |
| .doz | Description Out of Zip (VENDINFO) |
| .dp | Calendar file (Daily Planner) |
| .dp | Data file (DataPhile) |
| .dpr | Default project- and state-related information (Borland C++) |
| .drs | Display Resource (WordPerfect for Win) |
| .drv | Device driver eg. for printer |
| .drw | Vector graphics (Micrografx Designer) |
| .ds4 | Vector graphics (Micrografx Designer 4.0) |
| .dsc | Discard file (Oracle) |
| .dsd | Database (DataShaper) |
| .dsf | "Designer graphics version 6" |
| .dsk | Project desktop file (Borland C++ - Turbo Pascal) |
| .dsm | Digital sound module (DSI) |
| .dsn | Design (Object System Designer) |
| .dsp | Display parameters (Signature) |
| .dsp | Graphics display driver (Dr.Halo) |
| .dsr | Driver Resource (WordPerfect for Win) |
| .dss | Screensaver file (DCC) |
| .dss | Sound (Digital Soup) |
| .dsw | Desktop settings (Borland C++ 4.5) |
| .dt_ | Data fork of a Macintosh file (Mac-ette) |
| .dta | Data file (Turbo Pascal - PC-File - Stata) |
| .dtf | Database file (PFS - Q&A) |
| .dtp | Document (Timeworks Publisher3) |
| .dtp | Publication (Publish-It!) |
| .dvc | Data (Lotus 1-2-3) |
| .dvi | Device Independent document (TeX) |
| .dvp | Desqview Program Information file (DESQview) |
| .dvp | Device parameter file (AutoCAD) |
| .dw2 | Drawing (DesignCAD for windows) |
| .dwc | Compressed file archive created by DWC (dwc-a501.exe) |
| .dwg | Drawing (Drafix) |
| .dwg | Drawing database (AutoCAD) |
| .dx | Text file (DEC WPS/DX format - DEC WPS Plus) |
| .dxf | Drawing Interchange File Format vector graphics (AutoCAD) |
| .dxn | Fax (Fujitsu dexNET) |
| .dyn | Data (Lotus 1-2-3) |
| .ebj | Error-checking object file (Geoworks) |
| .ed5 | EDMICS graphics |
| .edt | Default settings (VAX Edt editor) |
| .eeb | Button bar for Equation Editor (WordPerfect for Win) |
| .eft | High resolution screen font (ChiWriter) |
| .efx | Fax (Everex EFax) |
| .ega | EGA display font (Ventura Publisher) |
| .el | Elisp source code file (Emacs lisp) |
| .elc | Compiled ELISP code (Emacs lisp) |
| .elt | Event list text file (Prosa) |
| .emf | Enchanced Metafile graphics |
| .emu | Terminal emulation data (BITCOM) |
| .enc | Encoded file - UUENCODEd file (Lotus 1-2-3 - uuexe515.exe) |
| .enc | Music (Encore) |
| .end | Arrow-head definition file (CorelDRAW) |
| .eng | Dictionary engine (Sprint) |
| .eng | Graphics (charting) (EnerGraphics) |
| .env | Enveloper macro (WOPR) |
| .env | Environment file (WordPerfect for Win) |
| .epd | Publication (Express Publisher) |
| .epi | Document (Express Publisher) |
| .eps | Encapsulated PostScript vector graphics (Adobe Illustrator) |
| .eps | Printer font (Epson - Xerox...) (Ventura Publisher) |
| .eqn | Equation (WordPerfect for Win) |
| .erd | Entity Relationship Diagram graphic file (Prosa) |
| .erm | Entity Relationship Diagram model file (Prosa) |
| .err | Error log |
| .err | Error messages for command line compilers |
| .esh | Extended Shell batch file |
| .esi | Esri plot file |
| .eth | Document (Ethnograph 3) |
| .etx | Structure Enhanced (setext) text |
| .evt | Event log |
| .evy | Document (WordPerfect Envoy) |
| .ewd | Document (Express Publisher for Windows) |
| .ex3 | Device driver (Harvard Graphics 3.0) |
| .exc | Rexx source code file (VM/CMS) |
| .exc | Exclude file for Optimize (do not process) (QEMM) |
| .exe | Directly executable program (DOS) |
| .exm | "Msdos executable system-manager compliant (HP calculator)" |
| .ext | Extension file (Norton Commander) |
| .exx | Intermediate file by MsgPut (IBM LinkWay) |
| .ezf | Fax (Calculus EZ-Fax) |
| .f | Fortran source code file |
| .f | Compressed file archive created by FREEZE |
| .f01 | Fax (perfectfax) |
| .f06 | Dos screen text font - height 6 pixels (fntcol13.zip) |
| .f07 | Dos screen text font - height 7 pixels (fntcol13.zip) |
| .f08 | Dos screen text font - height 8 pixels (fntcol13.zip) |
| .f09 | Dos screen text font - height 9 pixels (fntcol13.zip) |
| .f10 | Dos screen text font - height 10 pixels (fntcol13.zip) |
| .f11 | Dos screen text font - height 11 pixels (fntcol13.zip) |
| .f12 | Dos screen text font - height 12 pixels (fntcol13.zip) |
| .f13 | Dos screen text font - height 13 pixels (fntcol13.zip) |
| .f14 | Dos screen text font - height 14 pixels (fntcol13.zip) |
| .f16 | Dos screen text font - height 16 pixels (fntcol13.zip) |
| .f2r | Linear module (music) (Farandole) |
| .f3r | Blocked module (music) (Farandole) |
| .f77 | Fortran 77 source code file |
| .f96 | Fax (Frecom FAX96) |
| .fac | Face graphics |
| .faq | Frequently Asked Questions text file |
| .far | Music |
| .fax | Fax (raster graphics) (most Fax programs) |
| .fc | Spell checking dictionary (Harvard Graphics 2.0) |
| .fcm | Binary file patch file (forward compression)(jlpak10.zip) |
| .fd | Declaration file (MS Fortran) |
| .fd | Field offsets for compiler (DataFlex) |
| .fdw | Form (F3 Design and Mapping) |
| .feb | Button bar for Figure Editor (WordPerfect for Win) |
| .ff | Outline font description (Agfa Compugraphics) |
| .fff | Fax (defFax) |
| .fft | Dca/FFT Final Form Text text file (DisplayWrite) |
| .fh3 | Vector graphics (Aldus FreeHand 3.x) |
| .fh4 | Vector graphics (Aldus FreeHand 4.x) |
| .fi | Interface file (MS Fortran) |
| .fif | Fractal Image Format file |
| .fil | File template (Application Generator) |
| .fil | Files list object file (dBASE Application Generator) |
| .fil | Overlay (WordPerfect) |
| .fin | Print-formatted text file (Perfect Writer - Scribble - MINCE) |
| .fio | Support (ULead Viewer) |
| .fit | Fits graphics |
| .fit | File Index Table (WindowsNT) |
| .fix | Patch file |
| .fky | Macro file (FoxPro) |
| .flb | Format library (Papyrus) |
| .flc | Animation (Autodesk Animator) |
| .fld | Folder (Charisma) |
| .fli | Tex font library (EmTeX) |
| .fli | Animation (Autodesk Animator) |
| .flm | Film Roll (AutoCAD/AutoShade) |
| .flo | Micrografx FlowCharter |
| .flt | Filter file (Micrografx Picture Publisher) |
| .flt | Support file (Asymetrix ToolBook) - graphics filter |
| .flx | Compiled binary (DataFlex) |
| .fm | Spreatsheet (FileMaker Pro) |
| .fm1 | Spreadsheet (Lotus 1-2-3 release 2.x) |
| .fm3 | Device driver (Harvard Graphics 3.0) |
| .fm3 | Spreadsheet (Lotus 1-2-3 release 3.x) |
| .fmb | File Manager Button bar (WordPerfect for Win) |
| .fmf | Font or icon file (IBM LinkWay) |
| .fmk | Makefile (Fortran PowerStation) |
| .fmo | Compiled format file (dBASE IV) |
| .fmt | Format file (dBASE IV - FoxPro - Clipper 5 - dBFast) |
| .fmt | Style sheet (Sprint) |
| .fn3 | Font file (Harvard Graphics 3.0) |
| .fnt | Font file (many) |
| .fnx | Inactive font (Exact) |
| .fo1 | Font file (Borland Turbo C) |
| .fo2 | Font file (Borland Turbo C) |
| .fol | Folder of saved messages (1st Reader) |
| .fon | Dialing directory file (Telix) |
| .fon | Font file (many - Windows 3.x font library) |
| .fon | Log of all calls (Procomm Plus) |
| .for | Fortran source code file |
| .for | Form (WindowBase) |
| .fot | Installed Truetype font (Windows Font Installer) |
| .fox | FoxBase |
| .fp | Configuration file (FoxPro) |
| .fp3 | Filemaker Pro 3 |
| .fpc | Catalog (FoxPro) |
| .fpt | Memo (FoxPro) |
| .fpw | Floorplan drawing (FloorPLAN plus for Windows) |
| .fr3 | Renamed dBASE III+ form file (dBASE IV) |
| .frf | Font (FontMonger) |
| .frg | Uncompiled report file (dBASE IV) |
| .frm | Form (Visual Basic) |
| .frm | Report file (dBASE IV - Clipper 5 - dBFast) |
| .frm | Text (order form) |
| .fro | Compiled report file (dBASE IV) |
| .frp | Form (PerForm PRO Plus - FormFlow) |
| .frs | Screen Font Resource (WordPerfect for Win) |
| .frt | Report memo (FoxPro) |
| .frx | Report (FoxPro) |
| .fsl | Form (Paradox for Windows) |
| .fsm | Farandoyle Sample format music |
| .fst | Linkable program (dBFast) |
| .fsx | Data (Lotus 1-2-3) |
| .ftm | Font file (Micrografx) |
| .ftp | Configuration (FTP Software PC/TCP) |
| .fw | Database (FrameWork) |
| .fw2 | Database (Framework II) |
| .fw3 | Database (Framework III) |
| .fx | On-line guide (FastLynx) |
| .fxd | Phonebook (FAXit) |
| .fxp | Compiled format (FoxPro) |
| .fxs | Fax Transmit Format graphics (WinFax) |
| .g | Data chart (APPLAUSE) |
| .g4 | GTX RasterCAD |
| .g8 | Raw graphics (one byte per pixel) plane three (PicLab) |
| .gam | Fax (GammaFax) |
| .gbl | Global definitions (VAXTPU editor) |
| .gc1 | Lisp source code (Golden Common Lisp 1.1) |
| .gc3 | Lisp source code (Golden Common Lisp 3.1) |
| .gca | GOCA graphics |
| .gcd | Graphics |
| .gdf | Dictionary file (GEOS) |
| .ged | Editor's native file format (Arts & Letters) |
| .ged | Graphics editor file (EnerGraphics) |
| .gem | Vector graphics (GEM - Ventura Publisher) |
| .gen | Compiled template (dBASE Application Generator) |
| .gen | Generated text (Ventura Publisher) |
| .geo | Geode (Geoworks) |
| .gfb | Compressed GIF image created by GIFBLAST (gifblast.exe) |
| .gft | Font (NeoPaint) |
| .gib | Chart (Graph-in-the-Box) |
| .gif | Graphics Interchange Format bitmap graphics (CompuShow) |
| .giw | Presentation (Graph-in-the-Box for Windows) |
| .gl | Animation (GRASP GRAphical System for Presentation) |
| .glm | Datafile (Glim) |
| .gls | Datafile (Across) |
| .gly | Glossary (MS Word) |
| .gmf | CGM graphics (APPLAUSE) |
| .gmp | Geomorph tile map (SPX) |
| .goc | Goc source code file (Geoworks) |
| .goh | Goc header file (Geoworks) |
| .gp | Geode parameter file (Geoworks Glue) |
| .gp4 | "Group 4 - CALS ITU" |
| .gph | Graph (Lotus 1-2-3/G) |
| .gpk | Omnigo program package |
| .gr2 | Screen driver (Windows 3.x) |
| .gra | Datafile (SigmaPlot) |
| .grb | Ms-DOS Shell Monitor file (MS-DOS 5) |
| .grf | Graph file (Graph Plus - Charisma) |
| .grp | Group file (Windows 3.x - Papyrus) |
| .grp | Pictures group (PixBase) |
| .gry | Raw GREY graphics |
| .gs1 | Presentation (GraphShow) |
| .gsd | Vector graphics (Professional Draw) |
| .gsw | Worksheet (GraphShow) |
| .gup | Data (PopMail) |
| .gx2 | Show Partner graphics |
| .gxl | Graphics library (Genus) |
| .gz | Compressed file archive created by GZIP (GNU zip) |
| .h | Header file |
| .h! | On-line help file (Flambeaux Help! Display Engine) |
| .h++ | Header file (C++) |
| .h-- | Header file (Sphinx C--) |
| .ha | Compressed file archive created by HA (ha098.zip) |
| .hap | Compressed file archive created by HAP (hap303re.zip) |
| .hbk | Handbook (Mathcad) |
| .hdf | Hierarchical Data File graphics (SDSC Image Tools) |
| .hdf | Help file (Help Development Kit) |
| .hdl | Alternate download file listing (Procomm Plus) |
| .hdr | Pc-File+ Database header |
| .hdr | Datafile (Egret) |
| .hdr | Message header text (Procomm Plus - 1st Reader) |
| .hdw | Vector graphics (Harvard Draw) |
| .hdx | Help index (AutoCAD - Zortech C++) |
| .hex | Hex dump |
| .hfi | Hp Font Info file (GEM) |
| .hgl | Hp Graphics Language graphics |
| .hh | C++ header file |
| .hhh | Precompiled header file (Power C) |
| .hhp | Help information for remote users (Procomm Plus) |
| .hin |