1 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



File Extentions

1 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

Numbers and symbols

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

10o Embroidery machines graphics file - Toyota (binary)

12M Lotus 123 97 Smartmaster file

123 Lotus 123 97 file

2GR VGA Graphics driver/configuration files under Windows (binary)

3GR VGA Graphics driver/configuration files under Windows (binary)

3DM 3D NURBS modeler, Rhino ?????

3DS A file in 3D Studio (for DOS) format

386 A file for use in an 80386 or higher microprocessor

4GE Informix 4GL compiled code

4GL Informix 4GL source code

669 Composer 669, Unis Composer music mod file

669 669 tracker module ?????

#01 and | method of numbering picture files for a roll of film

higher | that has been scanned for computer presentation

$$$ Used by OS/2 to keep track of archived files

@@@ | Screen files used in the installation and instruction

@@@ | on use of such applications as M$ Codeview for C

A (08/23/00)

A86 A86 assembly source shareware compiler

A |ADA source code

A |Object code library

A |Assembly programming source code

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

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

ADR After Dark Randomizer screensaver

ADS Ada source text specification (GNAT) (ASCII)

ADT AdTech Fax document

ADX Archetype Designer document

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 Encapuslated PostScript image file (binary)

AIF | Audio Interchange File, a sound format used by

AIF | Silicon Graphics and Macintosh applications (binary)

AIFC Similar to AIF (compressed) (binary)

AIFF | Audio Interchange File, a sound format used by

AIFF | Silicon Graphics and Macintosh applications (binary)

AIFF | Similar to AIF (binary)

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

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 Animated Cursor

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)

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 |Canon Crayola art file (binary)

ART |Clip Art file format

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 |WinWord AutoSave

ASE Velvet Studio sample

ASF |M$ Advanced Streaming Format file

ASF |Active Streaming Format

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 Active Streaming Format

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

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 format for Windows movie

AVR Audio Visual Research file format

AVS |APPLICATION VISUALIZATION SYSTEM:

AVS | Digital Video Interactive (.dvi) file

AVX ArcView Extension file

AW HP AdvanceWrite text

AWD Fax Viewer document

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

AXX | ARJ compressed files from a multi-volume archive

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.

BAR |Unix BAR archive file

BAR |dBase horizontal bar menu object

BAT Executable Batch file (ASCII). Text file of commands to DOS.

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

BFX BitFax Pro 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 - OS/2 bitmap graphics file (binary)

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

BTN Parson's Announcements file (binary)

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, M)

CCO CyberChat data file

CCT Macromedia Director Shockwave cast

CDA CDDA Audio Track File

CDB CardBase Document

CDF |M$ Channel Definition Format file (ASCII)

CDF |Document (Content type MIME)

CDI Phillips Compact Disk Interactive format

CDP ColorDesk image

CDR CorelDraw drawing (graphics) (binary)

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

CGI Common Gateway Interface script file (ASCII)

CGM Computer Graphics Metafile (binary)

CH OS/2 configuration file

CHK File fragments saved by Windows Disk Defragmenter or ScanDisk

CHM Compiled HTML file

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

CLASS Java class

CLL Crick Software Clicker File

CLP Windows Clipboard file (binary or ASCII)

CLS Visual Basic Class Module

CMD |Command file for Windows NT (similar to a DOS .BAT file), OS/2

CMD |DOS CP/M command file

CMD |dBase-II program file

CMF Corel Metafile

CMP |JPEG Bitmap (binary)

CMP |Address document

CMV Corel Move animation

CMX Corel Presentation Exchange image

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

COB trueSpace2 object

COD | M$ C compiler output as displayable machine

COD | language/assembler with original C as comments

COM Command file (binary) (Executable)

CPD |Corel PrintOffice file (drawing)

CPD |Fax Cover document

CPE Fax Cover document

CPI M$ MS-DOS code page information file

CPL |Control Panel extension

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

CRD Cardfile file

CRP Corel Presents Run-Time Presentation

CRT Internet Security Certificate

CSC Corel Script (ASCII)

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

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

CUT Dr Halo bitmap (graphics) (binary)

CV Corel Versions archive (binary)

CV M$ CodeView information screen

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 |Paradox List

DBC M$'s Visual Foxpro Database container

DBF Aston-Tate dBase database

DBX |DataBeam image

DBX |M$'s Visual Foxpro Table

DCM DCM model format

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 |M$'s Visual Foxpro Database container

DCX |Fax image (based on PCX) (binary)

DCX |Macros (X equal number) ?????

DCX |Intel SatisFAXtion file

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

DEWF Macintosh SoundCap/SoundEdit recorded instrument format

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)

DLG C++ Dialogue Script (ASCII)

DLS DownLoadable Sound

DLL Dynamic-Link Library (binary)

DMF X-Trakker music module (MOD) file

DOC |FrameMaker or FrameBuilder document

DOC |WordStar document

DOC |WordPerfect document

DOC |M$ Word document

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 (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

DV Digital video file (MIME)

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

EMF Enhanced Windows Metafile image file (binary)

EML M$ Outlook Express mail message (MIME RFC 822)

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 ????? (binary)

EXE Executable file (program) (binary)

EXP Embroidery machines graphics file - Melco Expanded (binary)

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

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

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 and later

FMT |M$ Schedule+ print file

FMX Oracle executable form, version 4.0 and later

FND M$ Explorer Saved Search file (Find applet)

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)

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

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

FXP M$ FoxPro compiled source 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 bitmap (binary)

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

GNA Genigraphics Graphics Link presentation (binary)

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 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)

H

H C program header

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

HLP |Help file

HLP |DataCAD Windows Help file

HOG Lucas Arts Dark Forces WAD file

HPJ Visual Basic Help Project

HPP C++ program header

HQX Macintosh BinHex 4.0 file (compressed) (binary)

HST History file

HT HyperTerminal datafile (binary)

HTM Hypertext document (ASCII)

HTML Hypertext document (ASCII)

HTT M$ Hypertext Template (ASCII)

HTX Extended HTML template (ASCII)

HUS Embroidery machines graphics file - Viking (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)

ICM Image Color Matching profile file

ICO Windows Icon

IDB MSDev 'intermediate' file

IDD MIDI Instrument Definition

IDE UNKNOWN (help appreciated)

IDF MIDI Instrument Definition (Win95 required 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)

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)

IN Copy of IN.MBX (Eudora inbound mail box)

INC Assembler language or Active Server include file

INF Information file (ASCII) ?????

INI Initialization file (ASCII)

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

INS X-Internet sign-up file

INS Ensoniq EPS family instrument

INS Sample Cell/II MAC/PC instruments

INT | Intermediate Code, an executable code produced when

INT | a source program is syntax-checked

IOF Findit document

IPG UNKNOWN (help appreciated)

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

ISP X-Internet sign-up file

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 (can delete, is rebuilt)

JFF JPEG file (graphics file) (binary)

JIF JPEG-JFIF Compliant image file (binary)

JFIF JPEG file (graphics file) (binary)

JMP SAS JMPDiscovery chart-to-statistics file

JN1 Epic MegaGames Jill of the Jungle data file

JPE JPEG-JFIF Compliant bitmap (binary)

JPEG JPEG-JFIF Compliant bitmap (binary)

JPG JPEG-JFIF Compliant bitmap (binary)

JS JavaScript source code (ASCII)

JSP A HTML page containing a reference to a Java servlet (ASCII)

JTF JPEG bitmap (binary)

JTN Graphics file (JFIF?)

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)

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

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

LNK Windows shortcut file

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)

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)

LZS Skyroads data file

M

M1V MPEG-related file (MIME type 'mpeg')

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

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

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 |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 add-in

MDA |M$ Access workgroup for version 2

MDB M$ Access database

MDE M$ Access MDE file ?????

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

MDZ M$ Access wizard template

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 MIDI music (binary)

MIDI MIDI music (binary)

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

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 ?????

MNI Mandelbrot for Windows

MNG Multi-image Network Graphics (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

MP1 MPEG Audio Layer 1

MP2 MPEG Audio Layer 2

MP3 MPEG Audio Layer 3 (AC3)

MPA MPEG-related file (MIME type 'mpeg')

MPE MPEG animation file

MPEG MPEG animation file

MPG MPEG animation file

MPP M$ Project file

MPP CAD drawing file format

MPR M$ FoxPro menus (compiled)

MP2 MPEG Audio Layer 2 file (MIME video file)

MP3 MPEG Audio Layer 3 (AC3) file

MRI MRI Scan (Magnetic Resonance Imaging)

MSA Magic Shadow Archive (binary)

MSDL Manchesters Scene Description Language

MSG M$ Mail message or message file of some kind

MSN M$ Network document

MSN Descent Mission File

MSP M$ Paint bitmap (binary)

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

N

NAN Nanoscope files (Raw Grayscale)

NAP NAP Metafile Vector image ?????

netCDF network Common Data Form

NCB M$ Developer Studio file

NCD Norton Change Directory

NCF Netware Command File

NCF Lotus Notes internal clipboard

NDO 3D low-polygon modeler, Nendo

NDX ASCII index file (tgs)

NET Network

NFF Neutral File Format

NFL Folio Infobase link

NFO Folio Infobase

NFO ASCII information file (tgs)

NIL Norton Icon Library file (EasyIcons-compatible)

NIST NIST Sphere audio

NLB Oracle 7 data

NLM Netware Loadable Module

NLU Norton Live Update E-Mail Trigger file

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$ OutlookExpress news message (MIME RFC822)

O

O01 Typhoon voice file

OBD M$ Office binder template

OBD M$ Office Binder

OBJ Object file

OBZ M$ Office Binder Wizard

OCX M$ Object Linking and Embedding custom control

ODL UNKNOWN (from Autospell list)

ODS M$ Outlook Express mailbox file (?)

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)

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

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

PCE Maps Eudora mailbox names to DOS filenames

PCE Eudora signature file (ASCII)

PCH UNKNOWN (help appreciated)

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

PCS |PICS animation

PCS |Embroidery machines graphics file - Pfaff (binary)

PCT Macintosh PICT file (graphics) (binary)

PCX ZSoft Paintbrush bitmap (binary)

PDB UNKNOWN (from Autospell)

PDD Graphics format file

PDF Adobe Acrobat Portable Document Format

PDF Netware Printer Definition File

PDB 3Com Palmpilot database file

PDF Package Definition File from M$ Systems Management Server

PDQ Patton&Patton Flowcharting PDQ Lite file

PDS Graphics file

PEC Embroidery machines graphics file - Brother (binary)

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

PGL HP Plotter drawing

PGM Portable Greymap Image file (bitmap) (binary)

PGP PGP encrypted file

PH Temporary file generated by M$ Help Compiler

PHP HTML Script

PHTML Perl-parsed HTML

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)

PIF IBM PIF drawing (binary)

PIG Lucas Arts Dark Forces WAD file (binary)

PIN Epic Pinball data file

PIX Inset Systems bitmap (binary)

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)

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

PNG |Portable Network Graphics bitmap (binary)

PNG |Paint Shop Pro Browser catalogue

PNM Image file (binary)

PNT MacPaint graphic file (binary)

PNTG Same as PNT file

POG Descent2 PIG file extension

POS Poster Image file (Parsons 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 Pixelmap 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

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 (????) (ASCII/binary)

PRS Harvard Graphics for Windows presentation (binary)

PRT A print-formatted file

PRV A PsiMail Internet provider template file

PRZ Lotus Freelance Graphics 97 file (binary)

PS |Encapsulated PostScript image file (binary)

PS |Postscript printer-ready file

PSB Pinnacle Sound Bank

PSD Adobe Photoshop bitmap image file (binary)

PSI PSION a-law audio ????? (binary)

PSM |Protracker Studio Module format

PSM |Sound data for Epic's games

PSP Photo Shop Pro Raster Image (graphics) (binary)

PST M$ Outlook Personal Folder File

PTM Polytracker music module (MOD) file

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

QIC M$ Backup file

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)

QRY M$ Query

QST Quake Spy Tab file

QT QuickTime Movie (binary)

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)

QTX QuickTime-related image (binary)

QW Symantec Q&A Write program file

QXD Quark XPress file

R

R Pegasus Mail resource file

RA RealAudio sound file (binary)

RAM RealAudio metafile

RAR RAR compressed archive (Eugene Roshall's format) (binary)

RAS Sun Raster Image File format (binary)

RAW |Raw File Format (bitmap) (binary)

RAW |Template file for MemoryMate (binary)

RAW |Raw signed PCM data

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 UNKNOWN (help appreciated)

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 file ?????

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)

RIF Metacreations Painter format

RLE Windows/Compuserve Run-Length Encoded bitmap (binary)

RL2 Descent2 Registered Level

RM RealAudio video file (binary)

RMD M$ RegMaid document

RME ASCII Readme file (tgs)

RMF Rich Map Format (used by 3-D game editors to store a map)

RMI MIDI music sequence (binary)

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

RSL Borderland's Paradox 7 reports

RTF Rich Text Format document

RTM Real Tracker music module (MOD) file

RTK Used by RoboHELP to simulate the 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 Assembler source code

S3I Scream Tracker v3 instrument

S3M Sound module file for ScreamTracker v3

SAM |Ami Professional document

SAM |Signed 8bit sample data

SAS UNKNOWN (help appreciated)

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

SBR UNKNOWN (help appreciated)

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)

SCR |Windows screensaver (binary) (Executable!)

SCR |Fax image (binary)

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)

SDW |Raw Signed DWord (32bit) data

SDW |Folio Shadow file

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

SEW Embroidery machines graphics file - Janome (binary)

SF IRCAM SoundFile format

SF2 Emu SoundFont v2.0 file (binary)

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)

SGML Standard Generalized Markup Language (ASCII)

SHB Corel Show presentation

SHB Document shortcut file

SHG Hotspot bitmap (binary)

SHP 3D Studio (DOS) shapes file (binary)

SHP | File format used by some programs for 3D

SHP | modeling of multipart interactive triangle models

SHS Shell scrap file

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

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

SMP Samplevision format

SMP Ad Lib Gold Sample

SND |NeXT sound

SND |Mac Sound Resource

SND |Raw unsigned PCM data ?????

SND |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

SRT alpha sorted text file (tgs) (ASCII)

SSD01 SAS data sets ((UNIX))

SSD SAS database (DOS)

SSI Server Side Include ?????

STF Unknown (ASCII) ?????

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

STR Screensaver extension (binary) ?????

STY Ventura Publisher style sheet

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 Shockwave Flash object file

SWP DataCAD Swap file

SYS System file

SYW Yamaha SY-series wave files ?????

T

TAB Guitar Tablature file

TAR Tape Archive (compressed)(binary)

TAZ UNIX - Gzip/Tape Archive (compressed)(binary)

TBK Asymetrix Toolbook interactive multimedia files

TCL Script in the TCL/TK Language ?????

TDB Thumbs Plus database

TDDD A file format use by the Imagine & Turbo Silver ray-tracers

TEX Texture file

TGA Targa bitmap (binary)

TGS Personal file, eg, Tom Stewart's File (ASCII) (tgs)

TGZ UNIX - Gzip/Tape Archive (compressed)(binary)

THEME Windows 95 Desktop Theme

THN Graphics Workshop for Windows thumbnail (binary)

TIB UNKNOWN (from Autospell)

TIF Tagged Image File Format bitmap (binary)

TIFF Tagged Image File Format bitmap (binary)

TIG Tiger file, used by US government to distribute maps

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

TRK Kermit script file

TRM Terminal file

TRN MKS Source Integrity project usage log

TSK UNKNOWN (from Autospell)

TTF TrueType font (binary)

TTK Corel Catalyst Translation Tool Kit

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

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

VBA VBase file

VBP Visual Basic Project

VBS Visual Basic Script (Executable?)

VBW M$ Visual Basic workspace

VBX Visual Basic custom control

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

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

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

VMF FaxWorks audio file

VOC Creative Labs, Sound Blaster audio file

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

VXD M$ Windows virtual device driver

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

WB1 QuattroPro for Windows spreadsheet

WB2 QuattroPro for Windows spreadsheet

WBK M$ Word Backup Document

WBL Argo WebLoad II upload file

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

WID Ventura width table

WIL WinImage file

WIZ M$ Word Wizard

WK1 Lotus 123 versions 1 & 2 spreadsheet

WK3 Lotus 123 version 3 spreadsheet

WK4 Lotus 123 version 4 spreadsheet

WKB

WKS 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

WMF Windows Meta File (graphics) (binary)

WOW Grave Composer music module (MOD) file

WP WordPerfect document

WPW Novel PerfectWorks document

WP4 WordPerfect 4 document

WP5 WordPerfect 5 document

WP6 WordPerfect 6 document

WPC UNKNOWN (binary) (help appreciated)

WPD |UNKNOWN (from Autospell)

WPD |WordPerfect Demo

WPD |WordPerfect 6.0/7.0 Document

WPG WordPerfect Graphic file (bitmap or vector) (binary)

WPM WordPerfect Macro file

WPS M$ Works document

WPT WordPerfect Template

WQ1 QuattroPro/DOS spreadsheet

WQ2 QuattroPro/DOS version 5 spreadsheet

WR1 Lotus Symphony

WRI Write document

WRK Cakewalk music audio project file

WRL Virtual Reality model

WRZ Another VRML fileject ?????

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

WSD WordStar 2000 document

WSE UNKNOWN (from Autospell)

WTA UNKNOWN (from Autospell)

WVL Wavelet Compressed Bitmap (binary)

WWL M$ Word add-in file

X

X AVS image format

XAR Corel Xara drawing

XBM A MIME 'xbitmap' image file (binary)

XI Instrument sample file for ScreamTracker

XIF Wang imaging file (comes with Windows 95)

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

XNK M$ Exchange shortcut file

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)

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

Y

Y YACC (Yet Another Compiler Compiler) ????

Y YACC (Yet Another C Compiler)

YAL Arts & Letters clipart library

YBK M$ Encarta Yearbook

Z

Z UNIX - Gzip archive (compressed)(binary)

ZIP Compressed archive (binary)

ZOO An early compressed file format (binary)

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