file extension Windows/OS2/Apple/Unix/Dos

File ExtensionsWindows/OS2/Apple/UNIX

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T = Alchemy chemical modeller output file
T = Mime: application/x-troff
T = Paradox database file
T = roff /troff unformatted manual page
T = Tads source
T = Tester symbol table (ReaGeniX code generator)
T = Unix Tape Archive = TAR without compression (tar)
T#? = Time Line File
T$ = Modem Bitware Fax disk5 file
T$2a = (MAC FILE_TYPE) Timbuktu Pro
T$AB = (MAC FILE_TYPE) Timbuktu Pro Address Book
T01 = Tonline Netscape file
T02 = Tonline Netscape file
T2 = TrueType Font
T2K = Teach2000 Document
T2T = Sonata CAD modeling file
T2W = Ntgraph Turbo Pascal file
T3 = Tarshare file
T32 = Drive Image5 file
T3D = Epic's Unreal Editor 3D scene format
T3D = Game: FiFa2000 environment file
T44 = dBASE IV temporary file
T4G = Tscad4 file
T4L = Tscad4 biblio file
T64 = Commodore 64 emulator tape (C64S emulator)
T65 = Adobe PageMaker template
T98 = Kiplinger Tax Cut File (1998 Tax Year)
T99 = (Note: Kiplinger Tax Cut State Return Files are of the form .T??
T?? = Ingres Table/Index File (?? = Hex 00 to FF)
TAAC = Sun TAAC bitmap image
TAB = Colour lookup table (CMYK image) (Stork format)
TAB = Lotus 1-2-3 table
TAB = Microsoft Map table
TAB = TAB separated file
TAD = Mime: application/octet-stream
TAF = Tonline Db file
TAG = DataFlex query tag name
TAG = Mime: text/prs.lines.tag
TAGS = MIME Tag types site
TAH = Turbo Assembler Help file
TAI = INMOS Transputer Development System Occam Analyse Info
TAJIMA = Tajima DST file format (MS Word)
TAL = Adobe TypeAlign text illustration
TALK = Mime: plugin/talker
TALK = Mime: text/x-speech
TALK = Mime: x-plugin/x-talker
TALK = Text to speech
TAM = Tame Program Settings
TAO = IsoBuster File
TAP = TAPe file (ZX Spectrum emulator by G.A. Lunter)
TAP = Wave Sound, Action Wave
TAR = Mime: appliation/x-tar
TAR = Mime: application/x-tar
TAR = Tape Archive, Unix standard Archive format / not compressed
TAR.BZ2 = bzip2 compressed tar archive
TAR.GZ = gzip compressed tar archive
TAR.Z = compress compressed tar archive
TARDIST = Mime: application/x-tardist
TARGA = Truevision TarGA bitmap image
TAT = Grafic twain Toolkit file
TAX = Turbotax File
TAZ = Mime: application/x-tar
TAZ = TAR Compressed Tape Archive, Gzip/Compress
TB1 = Borland Turbo C font file
TB2 = Borland Turbo C font file
TB_ = Visc15 Adressen Setup file
TBB = MS Windows Office Toolbar Button
TBC = Formula 1 car race 2001 Season01 Vehicles file
TBD = Microsoft Mse file
TBF = Fax (Imavox TurboFax)
TBF = Trellian Button Factory File
TBI = Game: fifa 2001 data cmn be file
TBK = Memo backup (dBASE IV/FoxPro)
TBK = Mime: application/toolbook
TBK = Mime: application/x-tbook
TBK = ToolBooK (Asymetrix ToolBook)
TBL = Dynamic link library
TBL = TaBLe, used by several programs
tbnd = (MAC FILE_TYPE) Communication Tool
TBP = Mime: application/x-timbuktu
TBR = Norton Desktop custom ToolBaR
TBS = German Ms Word text elements (TextBauSteine)
TBS = Intel VTune performance monitor
TBT = Mime: application/timbuktu
TBX = Project Scheduler 4 table
TBZ = bzip2 compressed tar file (
TC = Borland C++ Configuration (former Turbo C)
TC = Termcap
TCC = Turbo C / Gcc include std file
TCD = TurboCAD for DOS
TCH = Help file (Turbo C/Borland C++)
TCI = INMOS Transputer Development System Occam Configuration Info
TCL = Mime: application/x-tcl
TCL = Mime: text/x-script.tcl
TCL = Tcl/Tk (Tool Command Language) script source code
TCL = TextPad Clip Library
TCL~ = Tcl/tk file
TCM = INMOS Transputer Development System Occam Comment Text File
TCO = T9000 object modules
TCPa = (MAC CREATOR CODE) America On Line TCPa_text
TCPa = (MAC FILE_TYPE) AOL Web Browser
TCPSTREAM = Snort file
TCS = tcsfile special configuration file for application(binary format)
TCSH = Mime: text/x-script.tcsh
TCSH = Unix shell script (tcsh)
TCT = Bc31 Bin file
TCW = TurboCAD for Windows drawing
TD = Borland Turbo Debugger for DOS configuration file
TD0 = Teledisk disk image (compressed diskette in a file)
TD1 = TeleDisk Archive
TD2 = Borland Turbo Debugger for Win32 configuration file
TD3 = TeleDisk Archive
TD4 = RollerCoaster Tycoon Track Design
TD? = TeleDisk Archive
TDAT = (MAC FILE_TYPE) CodeWarrior Data File
TDB = TACT database
TDDD = Imagine Object File Format
TDF = Bitstream Fontware Description
TDF = MS Setup program data; see STF
TDF = Speedo Typeface Definition File
TDF = TheDraw font
TDH = Borland Turbo Debugger Help file
TDI = Alias Wavefront image
TDI = TDI Explore image
TDIM = Digital F/X image format
TDK = Borland Turbo Debugger Keystroke recording
TDL = Intuit de online dat file
TDL = Stratum library file
TDO = Thumbs32 file
TDP = Midiprg Thedrums compressed file
TDR = Contents of Arvid tape
TDS = Borland Turbo Debugger Symbol table
TDW = Borland Turbo Debugger for Windows configuration
TDX = Visual FoxPro Offline View
TDY = Tandy file
TE2 = Conquest of the New World
TEA = Tea Template Source File
TEB = HDL test bench file
TEC = "Tanner Ledit" Layout technology data
TEF = Fax (Relisys TEFAX)
TEL = Telnet host file
TEM = Borland C++ Turbo Editor Macro Language script
TEM = IconAuthor input template
TER = CorelFlow line terminator (arrow picture)
TER = TerraGen TERrain Terrain
TERMS = cygwin tk8.0 demos file
TERRAIN = TerraGen Terrain
TESTRUNCONFIG = VisualStudio.testrunconfig.9.0 open with: "%ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe" /dde Content Type application/xml
TET = Tetris results (DN)
TEX = Idealist datasheet
TEX = LaTeX text (unix)
TEX = Mime: application/x-tex
TEX = on WINDOS old fashion TEXT file
TEX = PaintShopPro Texture image format
TEX = TEX Equation
TEX = Text document (Unix TeX )
TEX = Texture picture Windows' Hover game
TEX = TEXture used in Paint Shop Pro
TEXI = Mime: application/x-tex
TEXI = Mime: application/x-texinfo
TEXINFO = Mime: application/x-texinfo
TEXT = (MAC FILE TYPE) HTML files created by PageMill (PC ext: HTM)
TEXT = (MAC FILE TYPE) HTML for Internet Explorer (see A Web Site on a CD for more explanations) (PC ext: HTM)
TEXT = (MAC FILE TYPE) HTML for Netscape Navigator (see A Web Site on a CD for more explanations) (PC ext: HTM)
TEXT = (MAC FILE TYPE) Illustrator 3 (PC ext: AI)
TEXT = (MAC FILE TYPE) Mathematica (all kinds of files)
TEXT = (MAC FILE TYPE) SimpleText File (PC ext: TXT)
TEXT = (MAC FILE_TYPE) BinHex Encoded Filele
TEXT = (MAC FILE_TYPE) C Header Filelea File
TEXT = (MAC FILE_TYPE) C Source File
TEXT = (MAC FILE_TYPE) C++ Source File
TEXT = (MAC FILE_TYPE) HTML Documentd Filele
TEXT = (MAC FILE_TYPE) Perl Source File
TEXT = (MAC FILE_TYPE) Postscript File
TEXT = (MAC FILE_TYPE) Rez Resource File
TEXT = (MAC FILE_TYPE) XML Document File
TEXT = Mime: application/plain
TEXT = Mime: application/text
TEXT = Mime: text/plain
TEXT = Raw TEXT file
TF = TinyFugue MUD client macro
TF = Turbo Profiler configuration
TFA = Turbo Profiler Area file
TFC = Catalogue file (Tobi's Floppy Cataloguer)
TFH = Turbo Profiler Help file
TFM = Tagged Font Metric file (Intellifont/TeX)
TFMX = Amiga Audio file (Final Musicsystem eXtended)
TFS = Turbo Profiler statistical information
TFW = (header needed for georeferencing) files for MrSID
TFW = ArcView world file for tif image
TFX = Traffix Traffic Analysis Software
TG = Technical Guidance (NRC Inspection Manual)
TG1 = On Target project file
TG4 = TG4 image format
TGA = Truevision TarGA bitmap image (may be RLE compressed)
TGF = Mime: chemical/x-mdl-tgf
TGH = TrueGas Host File
TGI = Pbm file
TGQ = Bullfrog Software : Movie (Dungeon Keeper 2)
TGT = Corel40 Custom file
TGV = Electronic Arts : Video file (Need for Speed, NBA)
TGW = TerraGen World
TGWORLD = TerraGen World
TGZ = Mime: application/gnutar
TGZ = Mime: application/x-compressed
TGZ = Mime: application/x-tar
TGZ = ZIP Archive; TAR Tape Archive (Gzip compressed); see TAR,TAZ,GZ
TH = Javasoft Jre 1.3,lib file
THB = Clipart; Hijack Thumbnail
THD = Thread
THE = Microsoft Plus Pack Desktop Theme
THELP = Compiler/decompiler for Borland Help Files (file format in German)
THEM = MS Windows Desktop Theme
THEME = Windows 95 Desktop Theme
THEMEPACK = themepackfile open with: %SystemRoot%\system32\rundll32.exe %SystemRoot%\system32\shell32.dll,Control_RunDLL %SystemRoot%\system32\desk.cpl desk,@Themes /Action:OpenTheme /file:"%1"
THM = THuMbnail bitmap image used by eg. Picture Publisher and PhotoMagic Thumbnail
THME = (MAC FILE_TYPE) Microsoft Theme File
THML = Theological HTML (HTML with Greek Fonts etc)
THMX = OfficeTheme.12 open with: "%ProgramFiles%\Microsoft Office\Office12\POWERPNT.EXE" "%1" Content Type application/
THMX = OfficeTheme.12 open with: "%ProgramFiles%\Microsoft Office\Office12\POWERPNT.EXE" "%1" PerceivedType document PerceivedType document Content Type application/
THN = Graphics Workshop for Windows thumbnail
thng = (MAC FILE_TYPE) Thing
THNL = Same as THN
THOR = Database description (THOR database)
THP = TurboTax-related File
THS = WordPerfect for Win THeSaurus dictionary
THX = Amiga THX Tracker music
TI = Temporary Instruction (NRC Inspection Manual)
TIB = tibfile open with: "%Applications%\TrueImage9\TrueImage.exe" /mount:"%1"
TIB = tibfile special configuration file for application(binary format)
TIC = FTN special file with associated file description (ALLFIX)
TID = "IBM Voice Type" languages tasks file
TIF = Aldus Tagged Image File Format (TIFF) bitmap image, many different formats (Uncompressed, Huffman compressed, LZW,Jpeg,CCITT3/4, G3 FAX, G4 FAX, Packed Bits)
TIF = Mime: image/tiff
TIF = Mime: image/x-tiff
TIFF = Aldus Tagged Image File Format (TIFF) bitmap image, many different formats (Uncompressed, Huffman compressed, Jpeg,LZW,CCITT3/4, G3 FAX, G4 FAX, Packed Bits)
TIFF = Mime: image/tiff
TIFF = Mime: image/x-tiff
TIG = Tiger file, used by U.S. government to distribute maps
TIL = Buttonz & Tilez texture image format
TIL = Fuzzy logic knowledge base (Togai InfraLogic Fuzzy-C Compiler)
TIM = Sony PlayStation bitmap image
TIM = Tagged Image File Format
TINF = (MAC FILE_TYPE) Microsoft Theme Info File
TIP = Tip of the day for Microsoft and MFC applications.
TIS = MahJongg 3.0 tile set
TIX = divxTicketFile open with: "%ProgramFiles%\DivX\DivX Player\DivX Player.exe" "%1"
TJF = VAXTPU Backup File (VAXTPU is default OpenVMS editor)
TJL = Backup file (VAXTPU editor)
TJS = Sound
TK2 = Take Two view file
TKI = Mime: application/x-tkined
TKINED = Mime: application/x-tkined
TL_ = Game: doko inst file
TLA = TuneUp.Logo.Animation open with: "%ProgramFiles%\TuneUp Utilities 2009\WinStyler.exe" "%1"
TLA = TuneUp.Logo.Animation open with: "%Root%\Tools\TuneUp Utilities 2009\WinStyler.exe" "%1"
TLB = Bubble Chamber reference table
TLB = Remote Automation OLE TypeLiB files, Dynamic Link Library
TLB = Text library (VAX)
TLC = Compiled Tool Command Language source code (Geoworks Swat)
TLD = Teledisk disk image
TLE = NASA Two-Line Element Set
TLF = Opengl Stonehenge file
TLH = Adder100 source file
TLI = Adder100 source file
TLIST = 3d Graphic
TLO = SPSS TableLooks file
TLP = TimeLine project
TLR = Ccs-lib.2 Acs file
TLS = Zortech 21 Readme file
TLT = Trellix Web Design File
TLX = Goldwave 402 file
TM = Bitmap image (EOSAT's Landsat Thematic Mapper data file)
TMAP = Real Pool Image
TMB = Tmx editor user file
TMC = DCI TradeManager Catalog Archive
TMD = Lotus TvMap Document
TMD = Swisslog TimeData file
TME = Swisslog TimeStudy Event History
TMF = Tagged Font Metric file (WordPerfect for Win)
TMK = Turbopas Tp_tour file
TML = Padgen file
TMO = Ztg global optimizer default output file (Zortech C++)
TMP = temporary file
TMPL = SWISH-E example file
TMS = Telemate compiled script
TMT = temporary file
TMX = Tmx editor file
TN1 = Tiny image format
TN2 = Tiny image format
TN3 = Tiny image format
TN? = 2d Graphic
TNB = Windows Bitmap
TNFO = SpybotSD.TInfoFile open with: "%Root%\Tools\Spybot - Search & Destroy\SpybotSD.exe" "%1"
TNG = Audio Utility Tuningwrench compressed file
TNI = Virtua Tennis Menufiles Common file
TNL = Thumbnail image format
TNPOLY = Triangulated polygon files
TNV = Bitware Fax file
TNY = TiNY bitmap image used on Atari
TOC = FrameMaker
TOC = Mime: application/toc
TOC = Table Of Contents (index file)
TOK = Borland C++ 4.x external tokens
TOL = Tonline Bsw4 tol file
TOMBRAIDER 3 = Tomb raider 3 save game
TON = Wave Siggen-2.1 file
TOO = Asm Objasm file
TOOLS = Dos djgpp tools file
TOP = IBM netfinity Rack Configurator extension
TOR = Guitar Musik trainer Register.ds file
TOR = Nba 99 art ingame anims file
TOS = Atari ST/TT/Falcon character-based application
ToyS = (MAC CREATOR CODE) Script Editor ToyS text
ToyS = (MAC FILE_TYPE) Script Editor
TP = Turbo Profiler session-state file
TP3 = Harvard Graphics DOS 3.0 Template
TP4 = RollerCoaster Tycoon Track Design Screenshot
TP? = Tracker Packer v1/v2/v3 formats (music/sound)(Asle / ReDoX)
TPA = Corel Graphics10 Custom file
TPB = Downloadable PCL Soft font file backup (HiJaak)
TPC = Rtfgen file
TPF = Downloadable PCL Soft font file (HiJaak)
TPH = Turbo Pascal Help file
TPI = Tonline file
TPL = CakeWalk Audio Template file
TPL = Mime: application/vnd.groove-tool-template
TPL = Resident units library (Turbo Pascal)
TPL = TemPLate (Harvard Graphics/GoldEd/ITrack)
TPL = Template for Page Express; see DTP
TPL = Ulead iPhoto Express TemPLate
TPM = TextPad Macro (Windows text editor); see TCL
TPO = 3d Graphic
TPOLY = 3d Graphic
TPP = Borland Pascal 7.0 Protected Mode Units
TPS = WN16 DICT file
TPT = Thumbs32 file
TPU = Command file (VAXTPU editor)
TPU = Enable Teleprocessing
TPU = Turbo Pascal Unit
TPV = Packed graphics file (TutorPro)
TPW = Turbo Profiler for Windows session-state file
TPW = Turbo/Borland Pascal Unit (Windows library)
TPZ = TAR.GZ compressed file archive (Tar and GNUzip)
TPZ = Treepad Archive; text + pictures = zip
TQF = Chemical test (Chemical-mime)
TR = Mime: application/x-troff
TR = TomeRaider database
TR = Turbo Debugger for DOS session-state settings
TR = Unformatted manual page (Roff/nroff/troff/groff)
TR0 = Spice : transient analysis output
TR1 = "IBM Voice Type" languages Addword file
TR2 = Turbo Debugger for Win32 session-state settings
TR3 = Spice : transient analysis output
TR4 = Spice : transient analysis output
TR5 = Tree Professional File
TR6 = Spice : transient analysis output
TR7 = Spice : transient analysis output
TR8 = Spice : transient analysis output
TR9 = Spice : transient analysis output
TRA = Mime: application/vnd.trueapp
TRACKTION = TracktionProjectFile open with: "%ProgramFiles%\Tracktion 3\Tracktion.exe" "%1"
tran = (MAC FILE_TYPE) Document Convert
TRANS = Amaya file
TRC = Debug support file (Power CTrace)
Trce = (MAC FILE_TYPE) CorelTrace
TRE = PC-Tools directory TREe file
TRG = SqlServerReplication.Trg special configuration file for application(binary format)
TRI = Alias TRIangle file
TRIF = Bitmap image (Tiled Raster Interchange Format)
TRIPLE-S = Surveying file format
TRK = Mime: x-lml/x-gps
TRK = physical layout files (3d)
TRK = TRacK (i.e. video sequence) used by many games
TRKARCH = TracktionArchiveFile open with: "%ProgramFiles%\Tracktion 3\Tracktion.exe" "%1"
TRKEDIT = TracktionEditFile open with: "%ProgramFiles%\Tracktion 3\Tracktion.exe" "%1"
TRM = Mime: application/x-msterminal
TRM = Terminal; (generic name)
TRM = Windows 3.x Terminal configuration settings
TRN = MKS Source Integrity project usage log
TRN = Translation (Windows)
TRN = Translation support file (Quattro/Clarion)
TRO = "IBM Voice Type" languages Vocabels file
TROFF = Typesetting devices converted text format
TRP = Watcom binw file
TRS = Micrografx executable file
TRT = Team Sports Scheduling System Report Template
TRU = TRUe Basic source
TRW = Borland Turbo Debugger for Windows session-state settings
TRX = VisualStudio.trx.9.0 open with: "%ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe" /dde Content Type application/xml
TRZ = Accusoft Alldemo file
TS = mplayerc.ts open with: "%ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe" "%1" PerceivedType video PerceivedType video Content Type video/mpeg
TS = VLC.ts special configuration file for application(binary format)
TS = VLC.ts special configuration file for application(binary format) VLC.backup PDVDmpgfile Content Type text/plain
TS = WMP11.AssocFile.TTS open with: "%ProgramFiles(x86)%\Windows Media Player\wmplayer.exe" /prefetch:12 /Open "%L" PerceivedType video PerceivedType video Content Type video/vnd.dlna.mpeg-tts
TSB = TriSpectives 3D Drawing
TSC = Win Help related file
TSI = Mime: audio/tsp-audio
TSI = Mime: audio/tsplayer
TSK = Trend Pc-cillin 2000 file
TSM = Turbo Assembler for OS/2 manual
TSN = Midi file
tsnd = (MAC FILE_TYPE) Theme Sound File
TSP = Mime: application/dsptype
TSP = Mime: audio/tsplayer
TSP = Windows telephony Service Provider
TSQ = ODBC script
TSR = Swisslog TranStats Report
TSS = Team Sports Scheduling System Project File
TST = WordPerfect for Win printer test file
TSV = Mime: text/tab-separated-values
TSV = Tab Separated Values
TSX = Team Sports Scheduling System XML Project File
TT = True type font file
TT_ = Compressed TTF
TTBS = (MAC FILE_TYPE) PowerPoint Toolbars File
TTC = TrueType Font Collection, multiple fonts in a single file(Far East Windows)
TTF = Mime: application/octet-stream
TTF = TrueType Font, variable size
TTK = Corel Catalyst Translation Tool Kit
TTL = Tera Term Macro File
TTO = Client access data specification file (AS/400) (Server to Client)
TTP = Atari ST/TT/Falcon command-line application
TTR = TrueType Font
ttro = (MAC FILE TYPE) SimpleText Read-Only ttxt_ttro
ttro = (MAC FILE_TYPE) ReadMe File
TTS = WMP11.AssocFile.TTS open with: "%ProgramFiles(x86)%\Windows Media Player\wmplayer.exe" /prefetch:12 /Open "%L" PerceivedType video PerceivedType video Content Type video/vnd.dlna.mpeg-tts
TTTa = (MAC FILE_TYPE) TableText Table
ttvf = (MAC FILE_TYPE) PlainTalk Voice
TTX = TRADOSTag (TagEditor) file
TTXT = (Creator Code Mac) SimpleText "ttxt" (all lower case. This was also used by TeachText)
ttxt = (MAC CREATOR CODE) SimpleText File (PC ext: TXT)
ttxt = (MAC FILE_TYPE) SimpleText
TTY = Macromedia Dreamweaver 4 file
TTZ = Mime: application/t-time
TU2006CODE = TuneUp.Utilities.2006.Unlock.Code open with: "%ProgramFiles%\TuneUp Utilities 2006\Integrator.exe" /regcode "%1"
TU2008CODE = TuneUp.Utilities.2008.Unlock.Code open with: "%ProgramFiles%\TuneUp Utilities 2008\Integrator.exe" /regcode "%1"
TU2009CODE = TuneUp.Utilities.2009.Unlock.Code open with: "%ProgramFiles%\TuneUp Utilities 2009\Integrator.exe" /regcode "%1"
TU2009CODE = TuneUp.Utilities.2009.Unlock.Code open with: "%Root%\Tools\TuneUp Utilities 2009\Integrator.exe" /regcode "%1"
TUB = PaintshopPro(5) picturetube, a multi-celled picture
TUD = The Ultimate Draw document
TUN = Fifa World Cup file
TUR = Visual Turing (a Turing machine simulator) Save file for machines.
TUR = Webalizer Lang file
TURBOC3 = (make-)file for Borland Turbo C
TURBOT = Mime: image/florian
TUT = Tutorial (generic)
TUV = Generic Tutorial file
TUW = Microsoft Office file
TV = Paradox table view settings
TV1 = WordPerfect for Win overflow file above insert point in Doc 1
TV2 = WordPerfect for Win overflow file above insert point in Doc 2
TV3 = WordPerfect for Win overflow file above insert point in Doc 3
TV4 = WordPerfect for Win overflow file above insert point in Doc 4
TV5 = WordPerfect for Win overflow file above insert point in Doc 5
TV6 = WordPerfect for Win overflow file above insert point in Doc 6
TV7 = WordPerfect for Win overflow file above insert point in Doc 7
TV8 = WordPerfect for Win overflow file above insert point in Doc 8
TV9 = WordPerfect for Win overflow file above insert point in Doc 9
TVC = LOTUS 1-2-3 table file
TVex = (MAC FILE_TYPE) MoviePlayer Plug-in
TVF = dBASE table view settings
TVM = Mime: application/x-tvml
TVML = Mime: application/x-tvml
TVOD = (MAC CREATOR CODE) QuickTime movie files (PC ext: MOV)
TVOD = (MAC FILE_TYPE) MoviePlayer
TVP = nView.Profile open with: rundll32.exe nview.dll,nViewCmd loadprofile shell "%1"
TVR = Boot file
TVS = TuneUp.Visual.Style open with: "%ProgramFiles%\TuneUp Utilities 2008\WinStyler.exe" "%1"
TVS = TuneUp.Visual.Style open with: "%ProgramFiles%\TuneUp Utilities 2009\WinStyler.exe" "%1"
TVS = TuneUp.Visual.Style open with: "%Root%\Tools\TuneUp Utilities 2009\WinStyler.exe" "%1"
TVX = VoxPhone / TeleVox
TW_ = Compressed Scanner us driver file
TWAIN = TWAIN 1.8 Specification (Adobe Acrobat)
TWE = 3d Graphic
TWF = TabWorks data
TWG = ThatWaltGuy Web Server File
TWK = Bc31 Bgi2 tweak-file
TWN = Op9630 Settings file
TWN = Scanner Settings file
TWP = Toplevel Computing Fine Words (DOS Word Processor)
TWS = TextPad0.TWS (Shareware Windows text editor TextPad current settings)
TWT = Carmageddon 2 : Carpocalyse Now (saved game)
TWW = Tagwrite Template
TX = Photoline5 hlp file
TX$ = Driver Modem Bitware disk4 file
TX$ = Poppad file
TX0 = virus notation file
TX16W = Yamaha TX-16W sampler files
TX8 = 8-bit ASCII text
TX_ = Compressed txt file
TX_ = Webcd fread file
TXB = Game: fifa 2001 data environ file
TXC = Urban Chaos Game File
TXF = Mime: application/vnd.Mobius.TXF
TXF = TAR.F compressed file archive (TAR and Freeze)
TXI = TeX support file
TXK = Kardplay 1.62 file
TXL = (3d) texture lib file (many prgs)
TXL = programming language designed to support computer software analysis and source transformation tasks
TXM = Steuer2001 Daten file
TXN = Mfhdf Doc file
TXR = Corel Graphics10 Custom file
TXT = ANSI (Windows) TeXT
TXT = DisplayWrite document
TXT = many Dos Text editors used this extension
TXT = Mime: application/text
TXT = Mime: text/plain
TXT = OEM (Dos) Text
TXT = plain Text
TXT = Unix format Text(lf only)
TXT,*.RTF = TextEd.Document open with: %Root%\mfc_2008\Editor\htmled1\Release\HtmlEd.exe /dde
TXT,*.RTF = TextEd.Document open with: %Root%\mfc_2008\Editor\HtmlEd\Debug\HtmlEd.exe /dde
TXT,*.RTF = TextEd.Document open with: %Root%\mfc_2008\Editor\HtmlEd\Release\HtmlEd.exe /dde
TXT,*.RTF,*.DOC = TextLab.Document open with: %Root%\mfc_2008\TEXT\TextLab\TextLab\Release\TextLab.exe /dde
TXW = Yamaha TX-16W Wave File (Convert (c) Villena)
TXX = DataPerfect Text Storage
TXZ = Morfwarp au file
TX~ = Compressed txt file
TYM = PageMaker 4 time stamp
TYP = Thumbs32 file
TZ = TAR.Z compressed file archive (TAR and Compress)
TZB = TAR.Z.btoa compressed file archive (TAR - Compress - Btoa)
TZD = Netscape Communicator locale file

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If you find an extension missing, write! No guarantee given for completeness or correctness. If you feel an extension is outdated, write!
Authors and retailers: it is in the interest of us all and our customers to avoid the double use of extensions! Please help us keep this compilation up todate!
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Any questions for not listed extensions or "what program opens xxx":
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Compilation Copyright (c) 2002 R.Bitsch, Compilation Copyright (c) 2009,2010 R.Cooper-Bitsch