The following extensions are used on computers:
ACE: Ace Compressed Archive Format
ACT: Microsoft Office Companion File
AIF, AIFF: Audio Interchange File, a sound format for Silicon Graphic and Macintosh applications
ANI: Animated Cursor in Windows
ARC: LH ARC compressed archive file
ARJ: Robert Jung ARJ compressed archive file
ASD: Autosave file for Microsoft Word; Microsoft advanced streaming
ACT. microsoft advanced streaming
format, ASF) description file; can open Velvet Studio example file with NSREX
ASF: Microsoft Advanced Streaming Format file
ASM: Assembly language source file, Pro/E assembly
ASP: Dynamic Web page files; ProComm Plus installation and connection script files; Astound introduction files
AST: Astound multimedia files; ClarisWorks "helper" files
Axx: ARJ zip file numbering file, used to compress a large file into several smaller zip files (xx takes the numbers 01-99)
A3L: Authorware 3.x library files
A4L: Authorware 4.x library files
A5L: Authorware 5.x library files
A3M, A4M: Authorware Macintosh unpackaged files
A3W, A4W, A5W: unpackaged Authorware Windows files
BAK: Backup file
BAS: BASIC source file
BAT: Batch file
BIN: Binary file
BINHex: An Apple encoding format
BMP: Windows or OS/2 bitmap file
BOOK: Adobe <I>Frame</I>Maker Book file
BOX: Lotus Notes mailbox files
BPL: Borlard Delph 4 Packaging Library
BSP: Quake Graphics files
BUN: CakeWalk Sound Bundle files (a MIDI program)
C0l: Typhoon Waveform files
CAB: Microsoft Compressed Archive File
CAD: Softdek's Drafix CAD file
CAM: Casio Camera Format
CAP: Compressed Music File Format
CAS: Comma Separated ASCII File
CCB: Visual Basic Dynamic Button Configuration File
CCH: Corel Chart File
CCO: CyberChat Data File
CCT: Macromedia Director Shockwave Projection
CDA: CD Audio Track
CDF: Microsoft Channel Definition Format File
CDI: Philip's High Density Disk Interactive Format
CDM: Visual dBASE Custom Data Module File
CDR: CorelDRAW Drawing File; Raw Audio CD Data File
CDT: CorelDRAW Template
CDX: CorelDRAW compressed drawing file; Microsoft Visual FoxPro index file
CFG: Configuration file
CGI: Public **** Gateway Interface script file
CGM: Computer Graphics Metafile
CH: OS/2 configuration file
CHK : fragments of files saved by Windows Disk Defragmenter or disk scanning
CHM: compiled HTML files
CHP: Ventura Publisher chapter files
CHR: character sets (font files)
CHT: ChartViem files; Har<. I>var</I>d Graphics vector files
CIF: Adaptec CD Creator CD image files
CIL: Clip Gallery download packages
CIM: SimCity 2000 files
CIN: OS/2 change control file Used to track changes in INI files
CLASS: Java class files
CLP: Windows Clipboard files
CLL: Crick Software Clicker files
CLS: Visual Basic class files
CMD: Windows NT, OS/2 command files; DOS CD/M command files; dBASE II program files
CPI: Microsoft MS-DOS code page information files
CPL: Control Panel Extensions, Corel Color Plates
CPP: C++ code files
CPR : Corel Provides Instructions File
CPT : Corel Photo - Painting Image
CST : Macromedia Director Cast File
CUR : Windows Cursor File
DBF : dBASE File, a format created by Ashton-Tate that can be used by ACT! format that can be recognized by ACT!, Lipper, FoxPro, Arago, Wordtech, Xbase, and similar databases or database-related products; Usable Data File (can be opened by Excel
97); Oracle 8.1.x Tablespace File
DBX: DataBearn Image; Microsoft Visual FoxPro form files
DCT: Microsoft Visual FoxPro database container
DCU: Delphi Compilation Unit files
DCX: Microsoft Visual FoxPro database container; PCX-based Fax Image; Macro
DIR: MacromediaDirector file
DLL: Dynamic Link Library
DOC: <I>Frame</I>Maker or <I>Frame</I>Builder document; Word Star documents, Word
Perfect documents, Microsoft: Word documents; DisplayWrite documents
DOT: Microsoft Word document templates
DPL: Borland Delph 3 Compression Library
DRV: Driver
DRW: Micrografx Designer/Draw; Pro/E drawing files
DSF: Micrografx Designer VFX files
DSG: DOOM saved files
DSM: Dynamic Studio Music Module (MOD) files
DSP: Microsoft Developer Studio project files
DSQ: Corel QUERY files
DST: Embroidery Machine Graphics files
DSW: Microsoft Developer Studio Workspace File
DTA: World Bank's STARS data file
DTD: SGML Document Type Definition (DTD) file
DTED: Digital Terrestrial Altitude Data (data format for graphics) file
DTF: Symantec Q&A related database Data files
DTM: DigiTrakker Module files
DUN: Microsoft Unplugged Network Export files
DV: Digital Video Files (MIME)
DWG: AutoCAD Engineering Drawing Files; drawings in older versions of AutoCAD or Generic CADD Format
DXR: Macromedia Director protected (non-editable) movie file
EDA: Ensoniq ASR disk image
EDD: Element Definition Document (<I>Frame</I>Maker+SGML document)
EDE: Ensoniq EPS disk image
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.
EFV: Ensoniq VFX-SD files
EMD: ABT Extension Module
EMF: Windows Enhancement Metafile
EML: Microsoft Outlook Express Mail Message (MIME RTC822) files
EXE: Executable file (program)
FAV: Microsoft Outlook navigation bar
FAX: Fax type image
FCD: Virtual CD-ROM
FDF: Adobe Acrobat Forms Document File
FLA: Macromedia Flash Movie
FND: Microsoft Explorer saved search file (Find applet)
FON: System Fonts
FRT: Microsoft FoxPro report file
FRX: Visual Basic form text; Microsoft FoxPro report files
FXP: Source files compiled by Microsoft FoxPro
GDM: Ringtones, Whistles, and Soundboard Module Format
GetRight: GetRight incomplete download file
GHO: Norton clone disk image
GID: Windows 95 global index file (including help status)
GIF: CompuServe bitmap file
GL: Animation format
GRP: Program Management Group
HEX: Macintosh BinHex 2.0 file
HLP; Date CAD Windows help files
HPP: C++ program header files
HQX: Macintosh BinHex 4.0 files
HT: HyperTerminal
HTM, HTML: HyperText Document
HTT: Microsoft HyperText Templates
HTX: Extended HTML Templates
ICO: Windows Icons
IDX: Microsoft FoxPro related database index files; Symantec Q&A related database index files; Microsoft Outlook
Express files
IMG: GEM images
INF: Information files
INI: Initialization files; Mwave DSP Synth's "nwsynth.ini" GMS installation; Cravis Ultrasound bank installation
INP: Oracle version 3.0 or earlier form source code
INRS: INRS Remote Communications Sound
INS: InstallShield installation script; X-Internet signature file; Ensoniq EPS word cluster device; Cell/II MAC/PC sampling device
INT: Intermediate code, when a source program is syntax-checked and compiled to produce an executable code
IOF: Findit document
IQY: Microsoft Internet Query Yield File
ISO: ISO: A listing of CD-ROM file systems according to the ISD 9660 standard regarding the CD-ROM File System Standard listing of files on CD-ROMs
ISP: X-Internet Signature File
IST: Digital Tracking Device File
ISU: InstallShield Uninstallation Script
IT: Impulse Tracking System Music Module (MOD) File
ITI: Impulse Tracking System Instrument
ITS: Impulse Tracking System Sampling, Internet Document Location
IV: File Format Used in Open Inventor
IVD: More than 20/20 Microdata Dimension or Variable Levels File
IVP: More than 20/20 Subset of User Configuration files
IVT: More than 20/20 table or collection data files
IVX: More than 20/20 microdata catalog files
IW: Idlewild screen saver
IWC: Install Watch documentation
J62: Ricoh camera format
< p> JAR: Java Archive File (a compressed file used for applets and related files)JAVA: Java Source File
JFF, JFIF, JIF: JPEG File
JPE, JPEG, JPG: JPEG Graphic File
JS: Java<I&& gt;script</I> source files
JSP: HTML web page containing a reference to a Java servlet
KAR: Karaoke MIDI files (text + MIDI)
LAB: Visual dBASE tag files
LBT. LBX: Microsoft FoxPro tagged files
LDB: Microsoft Access locked files
LHA: LZH replacement file suffix
LOG: Log files
LZH: LH ARC compressed archives
M1V: MPEG-related files ( MIME "mpeg" type)
M3D: Corel Motion 3D animation files
M3U: MPEG URLs (MIME sound files)
MAM: Microsoft Access macros
MAQ: Microsoft Access query files
MAR: Microsoft Access report fileMBX: Microsoft Outlook save email format; Eudora mailbox
MCW: Microsoft Word for Macintosh document
MDB: Microsoft Access Database
MDN: Microsoft Access Empty Database Template
MDW: Microsoft Access Workgroup Document
MID: MIDI Music
MMM: Microsoft Multimedia Movie
MOV: QuickTime for Windows movies
MP2: Layer 2 MPEG audio files
MP3: Layer 3 MPEG audio files
MPA: MPEG-related files, MIME "mpeg type"
MPE, MPEG, MPG: MPEG animation files
MPP: Microsoft Project Files; CAD drawing file format
MPR: Microsoft FoxPro Menu (compiled)
MSI: Windows Installer Package
MSN: Microsoft Web Documents; Descent Mission Files
OBD: Microsoft Office Binder
OBJ: Object File
OBZ: Microsoft Office Binder Wizard
OCX: Microsoft Object Linking and Embedding Customization Controls
ODS: Microsoft Outlook Express Mailbox Files
OFT: Microsoft Outlook Templates
OPX: OPL Extended DLLs (Dynamic Link Libraries)
OSS: Microsoft Office Lookup Files
OST Microsoft Exchange / Outlook offline files
PAL: compressed files
PART: Go!Zilla partially downloaded files
PAS: Pascal source code
PCS: PICS animation files
PDF: Adobe Acrobat
Exportable Document Format files (which can be displayed in a Web browser); Microsoft System Management Server package definition files; NetWare printer definition files
PHP, PHP3: HTML web pages with PHP scripts
PHTML: HTML web pages with PHP scripts
PHTML: HTML Web pages; HTML interpreted by Perl parsing
PM5: Pagemaker 5.0 files
PM6: Pagemaker 6.0 files
PPS: Microsoft Powerpoint slide show
PPT: Microsoft Powerpoint Presentation
PRF: Windows System File, Macromedia Director's Setup File
PSD: Adobe photoshop bitmap file
PSM: Protracker Studio Model Format; source data file for Epic games
PST: Microsoft Outlook personal folder file
PWL: Windows 95 password list file
QIF: QuickTime-related image (MIME); Quicken import file
QT, QTM: QuickTime movie
QTI, QTIF: QuickTime-related images
QTP: QuickTime Priority File
QTS: Mac PICT image file; QuickTime-related images
QTX: QuickTime-related images
RA: RealAudio sound file <
RAM: RealAudio metafile
RAR: RAR compressed archive (Eugene Roshall format)
REC: Recorder macro; RapidComm sound file
REG: Registry file
REP: Visual dBASE report file
RES: Microsoft Visual C++ resource files
RM: RealAudio video files
RMF: Rich Map format (used by 3D game editors to save diagrams)
ROM: Cartridge-based home game emulator files (from Atari
< p>2600, Colecovision, Sega, Nintendo, etc.)Rxx: RAR compressed file on a multi-volume archive (xx = a number between 1 and 99)
SAV: Game save file
SB: Raw Signed Byte (8-bit) data
SBK: Creative Labs' Soundfont 1.0 Bank file; (Soundb laster)/EMU SonndFont v1.x
Bank file
SBL: Shockwave Flash object file
SCF: Windows Explorer Command File
SCH: Microsoft Schedule+1
SCP: Dial-up Networking Script File
SCR: Windows Screensaver; Fax Image; Script File
SFX: RAR Self-Extracting Archive
SHTML: HTML file with Server Side Includes (SSI)
SPL: Shockwave Flash object; DigiTrakker sampling
SQL: Informix SQL query; file extension commonly used by database products for SQL queries (script, text, binary)
STM: short suffixed form of .shtml containing a Server Side Included (SSI) HTML file; Scream Tracker V2 Music Module (MOD) file
STR: screen saver file
SWA: Macromedia director file (MP3 file) in a Shockwave sound files
SWF: Shockwave Flash objects
SYS: System files
T64: Commodore 64 emulator tape image files
THEME: Windows 95 desktop theme files
TIF, TIFF: Tagged Image File Format (TIFF) bitmap
TMP: Windows Temporary File
TRM: Terminal File
TXT: ASCII text format sound data
TZ: Older Compressed Format File
VBA: VBase File
VBP: Microsoft Visual Basic project files
VBW: Microsoft Visual Basic workspace files
VBX: Microsoft Visual Basic user-customizable controls
VQE, VQL: Yamaha Sound-VQ locator files
VQF: Yamaha Sound-VQ files (standards may appear)
VRF: Oracle 7 configuration files
VSL: Download list files (GetRight)
WAB: Microsoft Outlook files
WAD: files that contain WAD: Large file containing videos, player levels, and other information for DOOM games
WAL: Quake 2 body file
WAV: Windows Waveform Sound Form
WBK: Microsoft Word Backup file
WFM: Visual dBASE Windows Form
WIZ: Microsoft Word Wizard
WRL: Virtual Reality Model
WWL: Microsoft Word Interpolator File
XLK: Microsoft Excel Backup
XLL: Microsoft Excel interpolator file
XLM: Microsoft Excel Macro
XLS: Microsoft Excel Worksheet
XLT: Microsoft Excel Template
XLV: Microsoft Excel VBA Module
XLW: Microsoft Excel Workbook/Workspace
ZAP: Windows Software Installation Profile
ZIP: Zip File