جميع امتدادات ملفات الكمبيوتر

ABK :::::::::: Corel Draw AutoBackup
ACL :::::::::: Corel Draw 6 keyboard accelerator
ACM :::::::::: Used by Windows in the system directory
ACP :::::::::: Microsoft Office Assistant Preview file
ACT :::::::::: Microsoft Office Assistant Actor file
ACV :::::::: OS/2 drivers that compress and decompress audio data
AD :::::::::: After Dark screensaver
ADB ::::::::::: Appointment database used by HP 100LX organizer
ADD ::::::::: OS/2 adapter drivers used in the boot process
ADM ::::::::: After Dark MultiModule screensaver
ADP ::::::::: Used by FaxWorks to do setup for fax modem interaction
ADR :::::::: After Dark Randomizer screensaver
AFM ::::::::: Adobe font metrics
AF2 ::::::::: ABC Flowchart file
AF3 ::::::::: ABC Flowchart file
AI :::::::: Adobe Illustrator drawing
AIF :::::::: Apple Mac AIFF sound
ALB :::::::::: JASC Image Commander album
ALL ::::::::::: Arts & Letters Library
AMS :::::::: Velvert Studio music module (MOD) file
ANC ::: Canon Computer Pattern Maker file that is a selectable list of pattern colors
ANI ::::::::::::::::: Animated Cursor
ANS :::::::::::::: ANSI ****
API :::::::::::: Application Program Interface file; used by Adobe Acrobat
APR :::::::::: Lotus Approach 97 file
APS ::::::::: Microsoft Visual C++ file
ARC ::::::::::: ::: LH ARC (old version) compressed archive
ARJ ::::::::::::::::::::; Robert Jung ARJ compressed archive
ART :::::::::::: Xara Studio drawing
ART :::::::::::::: Canon Crayola art file
ASA :::::::::::::::::::::::::::: Microsoft Visual InterDev file
ASC :::::::::::: ASCII ****
ASD ::::::::::::::::::: WinWord AutoSave
ASM ::: Assembler language source file
ASP ::: Active Server Pagean HTML file containing a Microsoft server-processed ******
ASP :::::::::: Procomm Plus setup and connection ******
AST :::::::::::: Claris Works "assistant" file
ATT :::::::::: AT&T Group 4 bitmap
AVI ::::::::::::::: Microsoft Video for Windows movie
AWD :::::::::::::::: FaxView

BAK::: Backup file
BAS:::::: BASIC code
BAT:::::::: Batch file
BFC :::::::;Windows 95 Briefcase ********
BG :::::::::;Backgammon for Windows game
BI::::::::::::: Binary file
BIF:::::::: GroupWise initialization file
BIN :::::::Binary file
BK:::::::: Sometimes used to denote backup versions
BK$ ::::::::Also sometimes used to denote backup versions
BKS:::::::::::: An IBM BookManager Read book****f
BMK ::::::::::An A bookmark file
BMP::::::::: Windows or OS/2 bitmap
BM1 ::::::::::::Apogee BioMenace data file
BRX:::::::::::::: A file for browsing an index of multimedia options
BSP::::::::::::::::: Quake map
BS1 :::::::::::::Apogee Blake Stone data file
BTM::::::::::::: Batch file used by Norton Utilities
B4 ::::::::::::Helix Nuts and Bolts file

C C::::::::: code
CAB:::::::::: Microsoft cabinet file (program files compressed for software distribution)
CAL :::::::::CALS Compressed Bitmap
CAL ::::::::::Calendar schedule data
CAS ::::::::::::Comma-delimited ASCII file
CAT::::::::::: IntelliCharge categorization file used by Quicken
CB::::::::: Microsoft clean boot file
CCB::::::::::: Visual Basic Animated Button configuration
CCF::::::::::::; Multimedia Viewer configuration file used in OS/2
CCH Corel Chart
CCM ::::::::::::::Lotus CC:Mail "box" (for example, INBOX.CCM)
CDA:::::::::::::: CD Audio Track
CDF:::::::::::::::: Microsoft Channel Definition Format file
CDI::::::::::::: Phillips Compact Disk Interactive format
CDR ::::::::::Core Draw drawing
CDT:::::::::; Corel Draw template
CDX:::::: Corel Draw compressed drawing
CEL:::::: CIMFast Event Language file
CFB::::::::::; Comptons Multimedia file
CFG :::::::;;Configuration file
CGI ::::::::::Common Gateway Interface ****** file
CGM:::::::::: Computer Graphics ****file
CH OS/2 configuration file
CHK :::::::::File fragments saved by Windows Disk Defragmenter or ScanDisk
CHP :::::::::::::::::::;;;Ventura Publisher chapter
CIL :::::::::::::Clip Gallery download package
CIM ::::::::::::::Sim City 200 file
CIN OS/2 change control file that tracks changes to an INI file
CK1 iD/Apogee Commander Keen 1 data file
CK2 iD/Apogee Commander Keen 2 data file
CK3 iD/Apogee Commander Keen 3 data file
CK4 iD/Apogee Commander Keen 4 data file
CK5 iD/Apogee Commander Keen 5 data file
CK6 iD/Apogee Commander Keen 6 data file
CLASS:::::::::::::: Java class
CLP::::::::::; Windows Clipboard file
CLS ::::::::Visual Basic Class Module
CMD:::::::: Command file for Windows NT (similar to a DOS .BAT file)
CMD:::::::::::: DOS CP/M command file
CMD::::::::: dBase-II program file
CMF:::::::::::::: Corel ****file
CMP::::::::: JPEG Bitmap
CMP :::::::Address ********
CMV :::::::::Corel Move animation
CMX::::::::: Corel Presentation Exchange image
CNF:::::: Configuration file used by Telnet, Windows, and other applications
CNM ::::::::;;;Windows application menu options and setup file
CNQ::::::::: Compuworks Design Shop file
CNT:::::: Windows (or other) system content files for the help index and other purposes
COB::::::::: trueSpace2 object
COD :::Microsoft C compiler output as displayable assembler with original C as comments
COM ::::::::::Command file (program)
CPD :::::::::::::Fax Cover ********
CPE ::::::::::::Fax Cover ********
CPI ::::::::::::Microsoft MS-DOS code page information file
CPL :::::::::::::Control Panel extension
CPL:::::::::::: Corel colour palette
CPP::::::::: C++ code
CPR ::::::::Corel Presents Presentation
CPT :::::::::Corel Photo-Paint image
CPX :::::::Corel Presentation Exchange Compressed drawing
CRD:::::::::::: Cardfile file
CRP :::::::::::Corel Presents Run-Time Presentation
CRT :::::::::;Certificate file
CSC:::::::::::: Corel ******
CSP::::::::::::; PC Emcee On-Screen image
CSV:::::::::: Comma-separated values file
CT :::::::::Scitex CT Bitmap
CTL:::::::::::: Used in general to mean a file containing control information.
CUE:::::::: Microsoft Cue Cards data
CUR:::::::::::::: Windows Cursor
CUT::::::::: Dr Halo bitmap
CV ::::::::Corel Versions archive
CV:::::::::: Microsoft CodeView information screen
CWK :::::::::::::::Claris Works data file
CWS :::::::::::Claris Works template
CXX::::::::: C++ source code file

DAT:::::::::: WordPerfect Merge Data
DBF:::::::::: Aston-Tate dBASE database
DBX ::::::::::ataBeam image
DCR ::::::::::::;Shockwave file
DCS::::::::: Desktop Color Separation file
DCX::::::::::: Fax image (based on PCX)
DDF:::::::::: BTRIEVE database
DEF ::::::::::;SmartWare II data file
DEF:::::::::::; C++ Definition
DER:::::::::::; Certificate file
DIB::::::::::::: Device-Independent Bitmap
DIC ::::::::::::::::::::ictionary
DIF ::::ata Interchange Format spreadsheet
DIR:::::::::: Macromedia Director file
DIZ:::::::::: De******ion file
DLG C++::::::::: Dialogue ******
DLL::::::::::: Dynamic-Link Library
DMF :::::::::X-Trakker music module (MOD) file
DOC ::::::::FrameMaker or FrameBuilder ********
DOC :::::::::WordStar ********
DOC :::::::::::WordPerfect ********
DOC::::::::::::: Microsoft Word ********
DOT:::::::::::::::: Microsoft Word ******** Template
DPR:::::::::::; Borland Delphi project header file
DRV :::::::::::::::;;;;Driver
DRW ::::::::::::::::;Micrografx Designer/Draw
DSG:::::::::::::::: DooM saved game
DSM ::::::::::::ynamic Studio music module (MOD) file
DSP :::::::::::::Microsoft Developer Studio project
DSQ ::::::::::::;;Corel QUERY file
DSW :::::::::::::Microsoft Developer Studio workspace
DWG :::::::::::AutoCAD drawing eXchange format
DXF ::::::::::::;AutoDesk Drawing Interchange format

EMF::::::::::::: Enhanced Windows ****file
ENC::::::::::::::: Encore file
EPS::::::::: Encapsulated Post****** image
ER1:::::::::::::: ERWin file
ERX :::::::::::::ERWin file
EVY:::::::::::: Envoy ********
EWL:::::::::::: Microsoft Encarta ********
EXE:::::::::: Executable file (program)

F :::::::::::FORTRAN file
F77::::::::::::::: FORTRAN file
F90 :::::::::::::::FORTRAN file
FAR::::::::::: Farandole Composer music module (MOD) file
FAV ::::::::::::::Microsoft Outlook navigation bar
FAX::::::::::::::;; FAX Type image
FH3 ::::::::::::::Aldus Freehand 3 drawing
FIF::::::::::::::; Fractal image file
FITS ::::::::::::CCD camera image
FLC:::::::::; AutoDesk FLIC animation
FLI:::::::::::: AutoDesk FLIC animation
FLT::::::::::::: Corel filter
FLT :::::::::::::StarTrekker music module (MOD) file
FMB::::::::::::: Oracle binary source code for form, version 4.0 and later
FMT :::::::::::::::Oracle **** format of form, version 4.0 and later
FMT::::::::::::::: Microsoft Schedule+ print file
FMX::::::::::: Oracle executable form, version 4.0 and later
FOG:::::::::: Fontographer font
FON ::::::::::::::System font
FOR:::::::::::::: FORTRAN file
FOT:::::::::::::; Font-related file
FP::::::::::::::; FileMaker Pro file
FP1:::::::::::: Flying Pigs for Windows data file
FP3:::::::::::::::;; FileMaker Pro file
FPX::::::::::::::::: FlashPix bitmap
FRM::::::::::::::::: Form
FRM::::::::::::: FrameMaker or FrameBuilder ********
FRM:::::::;; Oracle executable form version 3.0 and earlier
FRM::::::::::;; Visual Basic form
FRM ::::::::WordPerfect Merge form
FRX :::::::::::Visual Basic form stash file

GCP ::::;;Ground Control Point file used in image processing of remote sensing data .
GED:::::::; Graphic Environment ******** (drawing)
GEM ::::::::GEM ****file
GEN :::::::::;;Ventura-Generated **** file
GFC:::::::::; Patton&Patton Flowcharting 4 flowchart file
GFI ;::::::::::::Genigraphics Graphics Link presentation
GFX ::::::::::::;Genigraphics Graphics Link presentation
GID ::::::::;Windows 95 global index file (containing help status)
GIF:::::::::;; CompuServe bitmap
GIM ::::::::Genigraphics Graphics Link presentation
GIX::::::::: Genigraphics Graphics Link presentation
GNA :::::::::;;Genigraphics Graphics Link presentation
GNX:::::::::; Genigraphics Graphics Link presentation
GRA:::::::::::::; Microsoft Graph
GRD :::::Grid file, used in image processing of remote sensing data often to form map projections.
GRP:::::::::: Program Manager Group
GTK :::::::::;Graoumftracker (old) music module (MOD) file
GT2 ::::::::;Graoumftracker (new) music module (MOD) file
GWX::::::::::; Genigraphics Graphics Link presentation
GWZ:::::::::; Genigraphics Graphics Link presentation
GZ ::::::::::;Unix Gzip compressed file

H C:::::::::::: program header
HED::::::::: HighEdit ********
HEL::::::::; Microsoft Hellbender saved game
HEX:::::::::: Macintosh BinHex 2.0 file
HGL:::::::::::::;; HP Graphics Language drawing
HLP ::::::::Help file
HOG :::::::::;Lucas Arts Dark Forces WAD file
HPJ :::::::::;;Visual Basic Help Project
HPP :::::::::::C++ program header
HQX:::::::;; Macintosh BinHex 4.0 file
HST :::::::::::History file
HT ::::::::::;HyperTerminal
HTM :::::::::Hyper**** ********
HTML:::::::; Hyper**** ********
HTX::::::::: Extended HTML template

ICA Citrix file
ICB::::::: Targa bitmap
ICM :::::::::Image Color Matching profile file
ICO:::::::::: Windows Icon
IDD::::::: MIDI Instrument Definition
IDQ :::::::::Internet Data Query file
IFF :::::::::;;Amiga ILBM
IGF:::::::::; Inset Systems ****file
IIF::::::;; QuickBooks for Windows interchange file
IMA::::::::: WinImage file
IMG:::::::: GEM image
INC::::::::: Assembler language or Active Server include file
INF:::::::::: Information file
INI :::::::::::Initialization file
INP :::::::Oracle source code for form, version 3.0 and earlier
INS:::::::::: InstallShield install ******
INS ::::::::::X-Internet sign-up file
ISO ::::::::::::Lists the files on a CD-ROM; based on the ISO 9660 CD-ROM file system standard
ISP X-Internet sign-up file
ISU :::::::::;InstallShield uninstall ******
IT :::::::;;Impulse Tracker music module (MOD) file
IW :::::::::Idlewild screensaver

JAR :::::::;;Java ARchive file (a compressed file for applets and related files)
JAVA::::::::::: Java source code
JBF::::::: Paint Shop Pro image browser file
JFF:::::::::::: JPEG bitmap
JIF::::::::::: JPEG bitmap
JMP ::::::::;SAS JMPDiscovery chart-to-statistics file
JN1 :::::::Epic MegaGames Jill of the Jungle data file
JPEG :::::::::JPEG bitmap
JPG::::::: JPEG bitmap
JS ::::::Java****** source code
JTF::::::: JPEG bitmap

KDC::::::::; Kodak Photo-Enhancer
KFX ::::::::KoFax Group 4 image
KYE::::::: Kye game data

LBM::::::::: Deluxe Paint bitmap
LDB :::::::::Microsoft Access lock file
LEG :::::::::::Legacy ********
LHA:::::: Alternate file suffix for LZH
LIB::::::::::; Library
LIS::::::::: Output file produced by a Structured Query Reporting (SQR) program
LOG ::::::::Log file
LPD:::::::;; Helix Nuts and Bolts file
LRC:::::::: I:ntel Video Phone file
LST:::::; List file
LWO ::::::::::Lightwave Object file
LWP:::::::::: Lotus Wordpro 96/97 file
LZH::::::::: LH ARC compressed archive
LZS::::::::; Skyroads data file

M3D :::::::::::Corel Motion 3D animation
MAC :::::::::MacPaint image
MAD::::::::::: Microsoft Access module
MAF ::::::;Microsoft Access Form
MAK :::::::::::Visual Basic or MS Visual C++ Project
MAM::::::::::::; Microsoft Access Macro
MAP::::::::: Map file
MAP ::::::::;Duke Nukem 3D WAD game file
MAQ:::::::::: Microsoft Access Query
MAR:::::::::: Microsoft Access Report
MAS :::::::::;;Lotus Freelance Graphics Smartmaster file
MAT:::::::; Microsoft Access Table
MAX ::::::::::Paperport file
MAZ :::::::;;Hover maze data
MB1::::::::: Apogee Monster Bash data file
MCC:::::::: Dialer10 calling card
MCS ::::::::;MathCAD image
MCW ::::::::Microsoft Word for Macintosh ********
MDA::::::::: Microsoft Access add-in
MDB :::::::::;;Microsoft Access database
MDE::::::::: Microsoft Access MDE file
MDL ::::::::igital Tracker music module (MOD) file
MDL:::::::::::: Quake model file
MDN :::::::::;Microsoft Access blank database template
MDW ::::::::::::Microsoft Access Workgroup
MDZ::::::::::::;; Microsoft Access wizard template
MED ::::::::::Music Editor, OctaMED music module (MOD) file
MER::::::: Format for interchanging spreadsheet/database data; recognized by Filemaker, Excel, and others
MET :::::::::::;Presentation Manager ****file
MI ::::::::::::Miscellaneous
MIC ::::::::::;;Microsoft Image Composer file
MID:::::::::::: MIDI music
MMF:::::::::;;;; Microsoft Mail File
MMM::::::::::::: Microsoft Multimedia Movie
MOD::::::::::: FastTracker, StarTrekker, Noise Tracker (etc.) music module file
MOD:::::::::::: Microsoft Multiplan spreadsheet
MOV ::::::::::::::QuickTime for Windows movie
MPE::::::::::: MPEG animation
MPEG::::::::::::::: MPEG animation
MPG::::::::::::: MPEG animation
MPP :::::::::::::;;Microsoft Project file
MPP::::::::::::: CAD drawing file format
MP3::::::::::: MPEG Audio Layer 3 (AC3) file
MSG:::::::::: Microsoft Mail message
MSN ::::::::Microsoft Network ********
MSP ::::::::Microsoft Paint bitmap
MTM:::::::::::: MultiTracker music module (MOD) file
MUS:::::::::;;; Music
MVB:::::::: Microsoft Multimedia Viewer file
MWP::::::: Lotus Wordpro 97 Smartmaster file

NAP::::::: NAP ****file
NCB::::::: Microsoft Developer Studio file
NSF :::::::;;Lotus Notes database
NST::::::: Noise Tracker music module (MOD) file
NTF:::::: Lotus Notes database template

OBD::::::::::;; Microsoft Office binder template
OBD:::::::: Microsoft Office Binder
OBJ ::::::::::::;Object file
OBZ:::::::::::; Microsoft Office Binder Wizard
OCX::::::: Microsoft Object Linking and Embedding custom control
OFN::::::::::::::: Microsoft Office FileNew file
OFT::::::::::: Microsoft Outlook template
OKT:::::::::::: Oktalyzer music module (MOD) file
OLB :::::::::::OLE Object Library
OLE ::::::::::;OLE object
OPT:::::::::::; Microsoft Developer Studio file
ORG :::::::::::Lotus Organiser file
OR2 ::::::::::;Lotus Organiser 2 file
OR3 :::::::::Lotus Organiser 97 file

P10 :::::::::::::Tektronix Plot 10 drawing
PAB:::::::::: Microsoft Personal Address Book
PAK::::::::::: Quake WAD file
PAL ::::::::::::::::Window:s colour palette
PAT ::::::::::::Corel Draw pattern
PBK ::::::::::Microsoft Phonebook
PBM ::::::::::;Portable Bitmap
PCD:::::::: Kodak Photo-CD image
PCL:::::::::::::: HP Laserjet bitmap
PCS ::::::::::::::::::PICS animation
PCT:::::::::::::::: Macintosh PICT drawing
PCX:::::::::::::::::: ZSoft PC Paintbrush bitmap
PDF::::::::::: Adobe Acrobat Portable ******** Format or Netware Printer Definition File
PDF :::::::::::::Package Definition File from Microsoft Systems Management Server
PDQ ::::::::::::Patton&Patton Flowcharting PDQ Lite file
PFA:::::::::::::::::: Type 1 font (ASCII)
PFB :::::::::::::Type 1 font (binary)
PFC ::::::::::::::::PF Component
PFM ::::::::::::Printer Font Metrics
PGL:::::::::::::; HP Plotter drawing
PGM::::::::::::::: Portable Graymap (bitmap)
PIC :::::::::::::::::::::;PC Paint bitmap
PIC::::::::::::::::::::::::: Lotus picture
PIC:::::::::::::: Macintosh PICT drawing
PIF::::::::::::: Program Information File
PIF::::::::::::::: IBM PIF drawing
PIG:::::::::::: Lucas Arts Dark Forces WAD file
PIN ::::::::::::Epic Pinball data file
PIN :::::::::::::::Epic Pinball data file
PIX:::::::::::::: Inset Systems bitmap
PJ:::::::::::::: MKS Source Integrity file
PKG ::::::::Microsoft Developer Studio application extension (similar to a DLL file)
PL::::::::::: Perl program
PLT ::::::::::::HPGL Plotter drawing
PLT ::::::::::::::AutoCAD Plot drawing
PM5 :::::::::Pagemaker 5.0 file
PM6 :::::::::Pagemaker 6.0 file
P65::::::::::: Pagemaker 6.5 file
PNG:::::::::::; Portable Network Graphics bitmap
PNG::::::::::: Paint Shop Pro Browser catalogue
PNT :::::::::::;MacPaint graphic file
POT:::::::::::: Microsoft PowerPoint Template
PP4 ::::::::::::Picture Publisher 4 bitmap
PPA::::::::::: Microsoft PowerPoint Add-in
PPM::::::::::::; Portable Pixelmap bitmap
PPS :::::::::Microsoft PowerPoint slide show
PPT::::::::: Microsoft PowerPoint presentation
PRE :::::::;;Lotus Freelance presentation
PRF ::::::::::;Windows system file
PRN::::::::::; Print Table (space delimited ****)
PRS :::::::::;Harvard Graphics for Windows presentation
PRZ :::::::::::Lotus Freelance Graphics 97 file
PS:::::::::: Post****** Interpreted drawing
PSD::::::;; Adobe Photoshop bitmap
PST ::::::::;Microsoft Outlook Personal Folder File
PTM:::::::::; Polytracker music module (MOD) file
PUB :::::;Ventura Publisher publication
PUB :::::::;Microsoft Publisher ********
PWD ::::::::Microsoft Pocket Word ********
PWZ:::::: Microsoft PowerPoint Wizard
PXL::::::: Microsoft Pocket Excel spreadsheet

QAD:::::::::: PF QuickArt ********
QBW::::::::::::: QuickBooks for Windows file
QDT ::::::Quick Books data file from the Quicken UK Accountancy/Tax/Invoice program
QLB :::::::::::;;Quick Library
QRY :::::::::Microsoft Query
QT ::::::::::QuickTime Movie
QTM :::::::::QuickTime Movie
QXD:::::::: Quark XPress file

R:::::: Pegasus Mail resource file
RA:::::::: Real Audio sound
RAM::::::::; Real Audio sound
RAS ::::::::::Sun Raster Images bitmap
RAW :::::::::Raw File Format (bitmap)
RC::::::: Microsoft Visual C++ Resource ******
REC::::::::: Recorder macro
REG::::::::: Registration file
RES::::::::: Microsoft Visual C++ Resource
RFT::::::::: RFT-DCA
RLE::::::::::: Run-Length Encoded bitmap
RM :::::::::::Real Audio video file
RMI ::::::::MIDI music
ROV :::::::::::Rescue Rover data file
RPT::::::::: Microsoft Visual Basic Crystal Reports file
RTF ::::::::::::Rich **** Format ********
RTM::::::::: Real Tracker music module (MOD) file

SAM ::::::::::Ami Professional ********
SAV ::::::::Saved game file
SCC ::::::::;Microsoft Source Safe file
SCD :::::::Matrix/Imapro SCODL slide image
SCD :::::::::Microsoft Schedule+ 7
SCH ::::::;Microsoft Schedule+ 1
SCN:::::: trueSpace2 scene
SCP :::::::;Dial-Up Networking ******
SCR::::::::: Windows screensaver
SCR ::::::::::Fax image
SCT::::::::;; Scitex CT bitmap
SC2 :::::::::Microsoft Schedule+ 7
SDL:::::::::::;; SmartDraw library
SDR ::::::::::::SmartDraw drawing
SDT::::::: SmartDraw template
SEA ::::::Self-expanding archive (used by Stuffit for Mac files and possibly by others)
SEP:::::::::: Tagged Image File Format (TIFF) bitmap
SHB :::::::::::::Corel Show presentation
SHB ::::::::::::cument shortcut file
SHG :::::::::::::::Hotspot bitmap
SHS :::::::::::****l scrap file
SHW:::::::::::: Corel Show presentation
SIT :::::::::::Stuffit archive of Mac files
SLK:::::::::: Symbolic Link (SYLK) spreadsheet
SND :::::::::::::NeXT sound
SND:::::::::;; Mac Sound Resource
SQC :::::::::Structured Query Language (SQR) common code file
SQR:::::: Structured Query Language (SQR) program file
STM::::::: Scream Tracker music module (MOD) file
STY:::::::::;; Ventura Publisher style sheet
SVX :::::::;;;Amiga 8SVX sound
SYS:::::::::::::; System file
S3M:::::::::::; Scream Tracker 3 music module (MOD) file

TAR:::::::::; Tape Archive
TAZ ::::::::::Unix Gzip/Tape Archive
TEX ::::::::;;****ure file
TGA::::::::::;; Targa bitmap
TGZ :::::::::::Unix Gzip/Tape Archive
THEME :::::::::::Windows 95 Desktop Theme
THN::::::::: Graphics Workshop for Windows thumbnail
TIF ::::::::::Tag Image File Format (TIFF) bitmap
TIFF::::::::: Tag Image File Format (TIFF) bitmap
TIG:::::::: Tiger file, used by US government to distribute maps
TLB ::::::::::OLE Type Library
TMP ::::::::::Windows temporary file
TRM:::::::::: Terminal file
TRN ::::::::::;MKS Source Integrity project usage log
TTF::::::::::::: TrueType font
TWF::::::::::::: TabWorks file
TWW::::::::: Tagwrite Template
TX8::::::::::: MS-DOS ****
TXT:::::::::::::;; ****
T2T :::::::Sonata CAD modelling software file

UDF::::::: Windows NT Uniqueness Database File
ULT::::::: Ultratracker music module (MOD) file
URL ::::::::;Internet shortcut
USE::::::::: MKS Source Integrity file

VBP ::::::::Visual Basic Project
VBW::::::: Microsoft Visual Basic workspace
VBX :::::::::Visual Basic custom control
VCF::::::: Vevi Configuration File; defines objects for use with Sense8's WorldToolKit
VDA:::::::::: Targa bitmap
VI ::::::Virtual Instrument file from National Instruments LABView product
VLB :::::::::::Corel Ventura Library
VOC:::::: Creative Labs Sound Blaster sound
VP ::::::::Ventura Publisher publication
VSD:::::: Visio drawing (flow chart or schematic)
VST::::::: Targa bitmap
VSW::::::: Visio Workspace file
VXD :::::Microsoft Windows virtual device driver

WAD ::::Large file for Doom game containing video, player level, and other information
WAV:::::::::::: Windows Waveform sound
WB1 ::::::::::QuattroPro for Windows spreadsheet
WB2 :::::::::QuattroPro for Windows spreadsheet
WBK:::::::: Microsoft Word Backup
WBL::::::: Argo WebLoad II upload file
WCM::::::::::: WordPerfect Macro
WDB:::::::::: Microsoft Works database
WEB ::::::::::CorelXara Web ********
WGP :::::::::Wild Board Games data file
WID :::::::::::Ventura width table
WIL::::::::::::::: WinImage file
WIZ::::::::::::::::::: Microsoft Word Wizard
WK1 :::::::;Lotus 123 versions 1 & 2 spreadsheet
WK3 :::::::::Lotus 123 version 3 spreadsheet
WK4 ::::::::::;Lotus 123 version 4 spreadsheet
WKS :::::::::Lotus 123 Worksheet spreadsheet
WKS ::::::::::Microsoft Works ********
WLF::::::::: Argo WebLoad I upload file
WLL:::::::::: Microsoft Word Add-In
WMF:::::::::; Windows ****file
WOW :::::::Grave Composer music module (MOD) file
WP::::::::: WordPerfect ********
WPW ::::::::Novel PerfectWorks ********
WP4:::::::::: WordPerfect 4 ********
WP5 ::::::::WordPerfect 5 ********
WP6::::::::;; WordPerfect 6 ********
WPD:::::::: WordPerfect Demo
WPD:::::::::: WordPerfect ********
WPG::::::::; WordPerfect Graphic
WPS:::::::: Microsoft Works ********
WPT ::::::::WordPerfect Template
WQ1::::::::;; QuattroPro/DOS spreadsheet
WQ2:::::: QuattroPro/DOS version 5 spreadsheet
WRI ::::::::::::::Write ********
WRL::::::::::::;; Virtual Reality model
WS1 :::::::::WordStar for Windows 1 ********
WS2 :::::::WordStar for Windows 2 ********
WS3 ::::::::WordStar for Windows 3 ********
WS4 :::::::::WordStar for Windows 4 ********
WS5:::::::::; WordStar for Windows 5 ********
WS6::::::;; WordStar for Windows 6 ********
WS7::::::: WordStar for Windows 7 ********
WSD::::::: WordStar 2000 ********
WVL::::::: Wavelet Compressed Bitmap

XAR ::::::::::Corel Xara drawing
XLA:::::::: Microsoft Excel add-in
XLB::::::: Microsoft Excel toolbar
XLC ::::::::::Microsoft Excel chart
XLD :::::::::Microsoft Excel dialogue
XLK::::::::::: Microsoft Excel backup
XLM :::::::;Microsoft Excel macro
XLS::::::::: Microsoft Excel worksheet
XLT::::::: Microsoft Excel template
XLV :::::::Microsoft Excel VBA module
XLW::::::::: Microsoft Excel workbook / workspace
XM::::::: FastTracker 2, Digital Tracker music module (MOD) file
XR1 ::::::::Epic MegaGames Xargon data file
XTP;:::::::: XTree data file
XY3::::::: XYWrite III ********
XY4::::::: XYWrite IV ********
XYP:::::::: XYWrite III Plus ********
XYW:::::::: XYWrite for Windows 4.0

YAL:::::::: Arts & Letters clipart library
YBK:::::::; Microsoft Encarta Yearbook

Z :::::::::::::::::::::::::::::::::::;Unix Gzip
ZIP :::::::::::::::::::::::::::::::::::::Zip file
ZOO:::::: An early compressed file format