What do various computer file extensions stand for?
This table contains information about some file extensions. For a more comprehensive list, consult the following resources: http://www.fileinfo.net/ http://dotwhat.net/
| File extension | Type of data | Associated with |
|---|---|---|
| ARC | Compressed archive | Common |
| ARJ | Compressed archive | Common |
| ASF | Multimedia | Windows Media |
| ASM | Source code | Intel assembly language |
| BAK | Backup version | Common |
| BAS | Source code | Basic |
| BAT | Batch | DOS and OS/2 |
| BMP | Wallpaper | Windows and OS/2 |
| C | Source code | C language |
| CAP | Captions | Ventura Publisher |
| CDX | Compound index | FoxPro |
| CFG | Configuration | Common |
| CGM | Graphics | Common vector & raster format |
| CHP | Chapter | Ventura Publisher |
| CIF | Chapter information | Ventura Publisher |
| COB | Source code | COBOL |
| COM | Executable program | Compilers and assemblers |
| CPP | Turbo C++ program | Borland Turbo C++ |
| CTF | Character translation | Symphony |
| DAT | Data | Common |
| DB | Database | Paradox |
| DBF | Database | dBase, FoxPro |
| DBT | Memo field | dBase |
| DCA | Text | IBM |
| DLL | Linked Library | Windows and OS/2 |
| DOC | Document | Multimate, Microsoft Word, WordPerfect |
| DXF | Graphics | AutoCAD common |
| DWG | Graphics | AutoCAD proprietary |
| EPS | Graphics/text | Encapsulated PostScript |
| EXE | Executable program | Compilers and assemblers |
| F77 | Fortran program | Common |
| FMT | Screen format | dBase |
| FOR | Fortran program | Common |
| FPT | Memo field | FoxPro |
| FRM | Report layout | dBase |
| FRX | Report form data | FoxPro |
| FXP | Tokenized .PRG | FoxPro |
| GEM | Graphics | GEM draw format (vector) |
| GIF | Graphics | Common |
| GRP | Windows file group | Microsoft Windows |
| H | C/C++ header file | C and C++ languages |
| HLP | Help file | Windows and OS/2 |
| HPG | Graphics | Hewlett-Packard (vector) |
| HTM | HTML | Word processors, World Wide Web browsers |
| ICO | Icon | Windows and OS/2 |
| IDX | Single index | FoxPro |
| IMG | Graphics | GEM paint format (raster) |
| INF | Information file | DOS and OS/2 |
| INI | Initialization file | Windows, DOS, and OS/2 |
| JAR | Compressed program | Java archive |
| JPG | Graphics | JFIF/JPEG compressed graphics |
| LBL | Label description | dBase, FoxPro |
| LBX | Label database | FoxPro |
| LIB | Library | C and Fortran compilers |
| LZH | Compressed archive | LHarc |
| MID | Encoded music | MIDI software and hardware |
| MPG | Animated graphics | MPEG compressed graphics |
| NDX | Index | dBase |
| OBJ | Object module | Compilers and assemblers |
| OVL | Program overlay | Compilers and assemblers |
| PAS | Pascal program | Borland Turbo Pascal |
| PCT | Graphics | Macintosh |
| PCX | Graphics | PC Paintbrush |
| PDV | Printer driver | PC Paintbrush |
| PIC | Graphics | Lotus 1-2-3 or Micrografx products |
| PIF | Program information | Microsoft Windows |
| PJX | Project database | FoxPro |
| PRD | Printer driver | Microsoft Word |
| PRG | Source code | dBase, FoxPro |
| PRN | Printer driver | XyWrite |
| PRS | Printer driver | WordPerfect |
| RAR | Compressed archive | Common |
| RTF | Document | Microsoft generic word processor |
| SC | Source code | Paradox |
| SCR | Screen layout | dBase |
| SLD | Graphics | AutoCAD slide format |
| STY | Style sheet | Ventura Publisher |
| SWP | Swap file | OS/2 and Windows NT and 95 |
| SYS | System | DOS and OS/2 |
| TIF | Graphics | Common vector format |
| TMP | Temporary | Common |
| TPU | Unit file | Borland Turbo Pascal |
| TTF | True Type font | Windows and OS/2 |
| TXT | ASCII text | Common |
| VOC | Sound file | DOS |
| VUE | Relational view | dBase |
| WAV | Sound file | Windows and OS/2 |
| WK1 | Spreadsheet | Lotus 1-2-3 Version 2 |
| WKS | Spreadsheet | Lotus 1-2-3 Version 1a |
| WPD | Document | WordPerfect document or screen driver |
| XLS | Spreadsheet | Excel |
| ZIP | Compressed archive | Common (such as PKZip) |
| ZOO | Compressed archive | Zoo compression program |
| $$$ | Temporary | Common |
Also see:
- What do some of the graphics format file extensions stand for?
- What does the .Z file extension mean?
- In Windows, how do I associate an application with a file type?
- In Mac OS and Mac OS X, is there a program to compress/decompress files with a .gz or .z extension?
- How do I decode a Macintosh file with a .bin extension?
- How do I decode a file with a .sit or .sea extension?
- What do some common Unix file extensions mean?
- In Windows, why can't I change the filename extension when I rename a file?
- In Mac OS X, how do I assign an application to open certain file types?
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Last modified on October 14, 2008.
Last modified on October 14, 2008.
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