| Extension Abbreviation | Extension Full name | How to open the File Extension |
|---|---|---|
| .t | Turing Source Code File | How to open .t file |
| .t$m | AVG Internet Security Temporary File | How to open .t$m file |
| .t01 | TaxCut 2001 File | How to open .t01 file |
| .t02 | TaxCut 2002 File | How to open .t02 file |
| .t03 | TaxCut 2003 File | How to open .t03 file |
| .t04 | TaxCut 2004 File | How to open .t04 file |
| .t05 | TaxCut 2005 Tax Return | How to open .t05 file |
| .t06 | TaxCut 2006 Tax Return | How to open .t06 file |
| .t07 | TaxCut 2007 Tax Return | How to open .t07 file |
| .t08 | TaxCut 2008 Tax Return | How to open .t08 file |
| .t09 | At Home 2009 Tax Return | How to open .t09 file |
| .t10 | At Home 2010 Tax Return | How to open .t10 file |
| .t11 | At Home 2011 Tax Return | How to open .t11 file |
| .t12 | At Home 2012 Tax Return | How to open .t12 file |
| .t13 | H&R; Block 2013 Tax Return | How to open .t13 file |
| .t14 | H&R; Block 2014 Tax Return | How to open .t14 file |
| .t15 | H&R; Block 2015 Tax Return | How to open .t15 file |
| .t16 | H&R; Block 2016 Tax Return | How to open .t16 file |
| .t17 | H&R; Block 2017 Tax Return | How to open .t17 file |
| .t18 | H&R; Block 2018 Tax Return | How to open .t18 file |
| .t19 | H&R; Block 2019 Tax Return | How to open .t19 file |
| .t2 | Textease 2000 File | How to open .t2 file |
| .t20 | H&R; Block 2020 Tax Return | How to open .t20 file |
| .t2b | CyBook Thumbnail Image | How to open .t2b file |
| .t2c | TCP/Com Configuration File | How to open .t2c file |
| .t2d | TouchDraw Document | How to open .t2d file |
| .t2k | Teach2000 Document | How to open .t2k file |
| .t2k | Canfield Image File | How to open .t2k file |
| .t2ks | Teach2000 Exam Results File | How to open .t2ks file |
| .t2kt | Teach2000 Exam File | How to open .t2kt file |
| .t3001 | TARGET 3001! Circuit Design Project File | How to open .t3001 file |
| .t3d | Unreal Engine 3D Object File | How to open .t3d file |
| .t3d | Swift 3D Document | How to open .t3d file |
| .t3d | TicTacTi Advertisement Definition File | How to open .t3d file |
| .t3x | TYPO3 Compressed Extension | How to open .t3x file |
| .t64 | Commodore 64 Tape Image File | How to open .t64 file |
| .t65 | PageMaker Template File | How to open .t65 file |
| .ta | Sony Firmware File | How to open .ta file |
| .ta0 | TaxAct 2020 1040 Tax Return File | How to open .ta0 file |
| .ta4 | TaxAct 2014 Tax Return File | How to open .ta4 file |
| .ta5 | TaxAct 2015 Tax Return File | How to open .ta5 file |
| .ta6 | TaxAct 2016 Tax Return File | How to open .ta6 file |
| .ta7 | TaxAct 2017 Tax Return File | How to open .ta7 file |
| .ta8 | TaxAct 2018 Tax Return File | How to open .ta8 file |
| .ta9 | TaxAct 2019 Tax Return File | How to open .ta9 file |
| .taac | Sun TAAC Image File | How to open .taac file |
| .tab | Typinator Set File | How to open .tab file |
| .tab | MapInfo TAB File | How to open .tab file |
| .tablecontent | SMART Table Activity Pack File | How to open .tablecontent file |
| .tac | ActiCalc Data File | How to open .tac file |
| .taf | ADRIFT Text Adventure File | How to open .taf file |
| .tag | DataFlex Data File | How to open .tag file |
| .tak | Tom's Lossless Audio Kompressor File | How to open .tak file |
| .tak | TAK 2000 Thermal Model File | How to open .tak file |
| .tak | Music Maker Take File | How to open .tak file |
| .tao | Track at Once CD/DVD Image | How to open .tao file |
| .tap | Commodore 64 Cassette Tape Image | How to open .tap file |
| .tar | Consolidated Unix File Archive | How to open .tar file |
| .tar.bz2 | Compressed Tarball File | How to open .tar.bz2 file |
| .tar.gz | Compressed Tarball File | How to open .tar.gz file |
| .tar.gz2 | Misnamed BZ2 Tarball | How to open .tar.gz2 file |
| .tar.lz | Lzip Compressed Tarball | How to open .tar.lz file |
| .tar.lzma | LZMA Compressed Tarball | How to open .tar.lzma file |
| .tar.md5 | Android System File | How to open .tar.md5 file |
| .tar.xz | XZ Compressed Tar Archive | How to open .tar.xz file |
| .tar.z | Zipped Tarball File | How to open .tar.z file |
| .tardist | TAR Distribution Archive | How to open .tardist file |
| .targa | Targa Graphic | How to open .targa file |
| .targets | MSBuild Targets File | How to open .targets file |
| .tasproj | BizHawk TAStudio Project | How to open .tasproj file |
| .tax | TurboTax Tax Return | How to open .tax file |
| .tax08 | TurboTax 2008 Tax Return File | How to open .tax08 file |
| .tax09 | TurboTax 2009 Tax Return File | How to open .tax09 file |
| .tax10 | TurboTax 2010 Tax Return File | How to open .tax10 file |
| .tax11 | TurboTax 2011 Tax Return File | How to open .tax11 file |
| .tax12 | TurboTax 2012 Tax Return File | How to open .tax12 file |
| .tax13 | TurboTax 2013 Tax Return File | How to open .tax13 file |
| .tax15 | TurboTax 2015 Tax Return File | How to open .tax15 file |
| .tax16 | TurboTax 2016 Tax Return File | How to open .tax16 file |
| .tax17 | TurboTax 2017 Tax Return File | How to open .tax17 file |
| .tax18 | TurboTax 2018 Tax Return File | How to open .tax18 file |
| .tax19 | TurboTax 2019 Tax Return File | How to open .tax19 file |
| .tax20 | TurboTax 2020 Tax Return File | How to open .tax20 file |
| .tax2008 | TurboTax 2008 Tax Return | How to open .tax2008 file |
| .tax2009 | TurboTax 2009 Tax Return | How to open .tax2009 file |
| .tax2010 | TurboTax 2010 Tax Return | How to open .tax2010 file |
| .tax2011 | TurboTax 2011 Tax Return | How to open .tax2011 file |
| .tax2012 | TurboTax 2012 Tax Return | How to open .tax2012 file |
| .tax2013 | TurboTax 2013 Tax Return | How to open .tax2013 file |
| .tax2014 | TurboTax 2014 Tax Return | How to open .tax2014 file |
| .tax2015 | TurboTax 2015 Tax Return | How to open .tax2015 file |
| .tax2016 | TurboTax 2016 Tax Return | How to open .tax2016 file |
| .tax2017 | TurboTax 2017 Tax Return | How to open .tax2017 file |
| .tax2018 | TurboTax 2018 Tax Return | How to open .tax2018 file |
| .tax2019 | TurboTax 2019 Tax Return | How to open .tax2019 file |
| .tax2020 | TurboTax 2020 Tax Return | How to open .tax2020 file |
| .taz | Tar Zipped File | How to open .taz file |
| .tb | Tabbery Tab File | How to open .tb file |
| .tb0 | Adobe Photoshop Thumbnail Cache File | How to open .tb0 file |
| .tbc | Time-base Corrected Video | How to open .tbc file |
| .tbd | Visual Studio Toolbox Data File | How to open .tbd file |
| .tbd | Apple Xcode Text-based Definition File | How to open .tbd file |
| .tbk | ToolBook File | How to open .tbk file |
| .tbk | FoxPro Memo Backup | How to open .tbk file |
| .tbl | StarCraft Information Table | How to open .tbl file |
| .tbm | Toribash Mod File | How to open .tbm file |
| .tbn | Kodi Thumbnail Image | How to open .tbn file |
| .tbp | Tekla BIMsight Project | How to open .tbp file |
| .tbp | Autodesk Topobase File | How to open .tbp file |
| .tbs | TuneUp Utilities Boot Screen | How to open .tbs file |
| .tbx | ArcGIS for Desktop Toolbox File | How to open .tbx file |
| .tbx | TermBase eXchange File | How to open .tbx file |
| .tbz | Bzip Compressed Tar Archive | How to open .tbz file |
| .tbz2 | Tar BZip 2 Compressed File | How to open .tbz2 file |
| .tc | TrueCrypt Volume | How to open .tc file |
| .tc | Tellico Collection File | How to open .tc file |
| .tc2 | TurboCAD 2D Mac Drawing | How to open .tc2 file |
| .tc3 | TurboCAD 2D/3D Mac Drawing | How to open .tc3 file |
| .tcc | TimeCalc Classic Data File | How to open .tcc file |
| .tccfgextender | TestComplete Project Suite Settings File | How to open .tccfgextender file |
| .tcd | TurboCAD Mac Deluxe Drawing | How to open .tcd file |
| .tcd | Technobox CAD Drawing | How to open .tcd file |
| .tcl | Tcl Script | How to open .tcl file |
| .tclogs | TestComplete Log Configuration File | How to open .tclogs file |
| .tcls | TestComplete Configuration File | How to open .tcls file |
| .tcm | TurboCAD Mac Drawing | How to open .tcm file |
| .tcn | Techne Model File | How to open .tcn file |
| .tcnet | TestComplete Configuration Reference File | How to open .tcnet file |
| .tco2 | TI-Nspire CX II Operating System File | How to open .tco2 file |
| .tcp | Tally Compiled Program File | How to open .tcp file |
| .tcp | TurboCAD Mac Pro Drawing | How to open .tcp file |
| .tcr | Psion Series 3 eBook File | How to open .tcr file |
| .tcr | TouchMagix Creative Suite Published File | How to open .tcr file |
| .tct | TurboCAD Drawing Template | How to open .tct file |
| .tcw | TurboCAD Drawing File | How to open .tcw file |
| .tcx | Training Center XML File | How to open .tcx file |
| .tcx | TestComplete Script Extension Package | How to open .tcx file |
| .tcx | TurboCAD 3D Model Text File | How to open .tcx file |
| .tcz | Tiny Core File | How to open .tcz file |
| .td | Thunder Incomplete Download File | How to open .td file |
| .td | Target Definition File | How to open .td file |
| .td0 | Teledisk Archive | How to open .td0 file |
| .td4 | RollerCoaster Tycoon Track File | How to open .td4 file |
| .td6 | RollerCoaster Tycoon Track Design File | How to open .td6 file |
| .tda | Palm To-Do File | How to open .tda file |
| .tda3mt | DivX Author Template File | How to open .tda3mt file |
| .tdb | Android Thumbnail Cache | How to open .tdb file |
| .tdb | eBay Turbo Lister Backup File | How to open .tdb file |
| .tdb | Transcendence Game Data File | How to open .tdb file |
| .tddd | 3D Data Description File | How to open .tddd file |
| .tde | Tableau Data Extract File | How to open .tde file |
| .tdf | Title Definition Format File | How to open .tdf file |
| .tdf | Xserve Test Definition File | How to open .tdf file |
| .tdf | Guide Text Definition File | How to open .tdf file |
| .tdl | MathType Translator Definition Language | How to open .tdl file |
| .tdl | ToDoList Tasklist File | How to open .tdl file |
| .tdm | LabVIEW Binary Measurement File | How to open .tdm file |
| .tdms | Technical Data Management Streaming File | How to open .tdms file |
| .tds | Turbo Debugger Symbols File | How to open .tds file |
| .tds | Adobe LiveCyle Designer Template | How to open .tds file |
| .tdt | AVCHD Thumbnail File | How to open .tdt file |
| .tdt | FirstBreak Concrete Test File | How to open .tdt file |
| .tdt | THOR Data Tree File | How to open .tdt file |
| .tdt | Sim Tower Game File | How to open .tdt file |
| .tdx | D-TEG CCTV Video Information File | How to open .tdx file |
| .tdz | Drobo Firmware File | How to open .tdz file |
| .te | Textease CT Database File | How to open .te file |
| .te3 | WinTrack Object File | How to open .te3 file |
| .teacher | SMART Response Teacher Database File | How to open .teacher file |
| .tec | TECkit Compiled Mapping File | How to open .tec file |
| .ted | Alamo Map File | How to open .ted file |
| .ted | TouchMagix Editable Document Template | How to open .ted file |
| .ted | Tribes 2 Game Data File | How to open .ted file |
| .tee | TeeChart Template | How to open .tee file |
| .tef | TablEdit Tablature | How to open .tef file |
| .temp | Temporary (Temp) File | How to open .temp file |
| .template | Apple Pages Template | How to open .template file |
| .temx | Cemetery Registry Database File | How to open .temx file |
| .ter | Terragen Terrain File | How to open .ter file |
| .terminal | Terminal Settings File | How to open .terminal file |
| .terrn | Rigs of Rods Terrain File | How to open .terrn file |
| .terrn2 | Rigs of Rods Terrain 2 File | How to open .terrn2 file |
| .testrunconfig | Visual Studio Test Run Configuration File | How to open .testrunconfig file |
| .testsettings | Visual Studio Test Settings File | How to open .testsettings file |
| .tet | Textease CT Template | How to open .tet file |
| .tex | LaTeX Source Document | How to open .tex file |
| .tex.emz | Street Fighter IV Texture File | How to open .tex.emz file |
| .tex0 | Wii Texture File | How to open .tex0 file |
| .text | Plain Text File | How to open .text file |
| .textclipping | Mac OS X Text Clipping File | How to open .textclipping file |
| .textexpander | TextExpander Settings File | How to open .textexpander file |
| .textexpandersettings | TextExpander Settings File | How to open .textexpandersettings file |
| .textfactory | BBEdit Text Factory | How to open .textfactory file |
| .texture | Diesel Engine Game Texture File | How to open .texture file |
| .texture | Trainz Auran Texture File | How to open .texture file |
| .tfa | TreeSoft CashFlow Analysis Data File | How to open .tfa file |
| .tfc | Unreal Engine 3 Texture File Cache | How to open .tfc file |
| .tfd | Tape Format Requirements Document | How to open .tfd file |
| .tfil | Blizzard Software Update File | How to open .tfil file |
| .tfm | TeX Font Metric File | How to open .tfm file |
| .tfmx | Final Music System Tracker Module | How to open .tfmx file |
| .tfr | TIE Fighter Pilot File | How to open .tfr file |
| .tfrd | Tape Image Format Requirements Document | How to open .tfrd file |
| .tfrproj | theFrame Project File | How to open .tfrproj file |
| .tfw | World File for TIFF | How to open .tfw file |
| .tfx | Pro Tools Eleven Rack Plugin Preset File | How to open .tfx file |
| .tg | TuxGuitar Document | How to open .tg file |
| .tg4 | Tiled Group 4 Raster Image File | How to open .tg4 file |
| .tga | Targa Graphic | How to open .tga file |
| .tgc | Terragen Node Clip File | How to open .tgc file |
| .tgd | Terragen Project File | How to open .tgd file |
| .tgf | Trivial Graph Format File | How to open .tgf file |
| .tgo | Terragen Object File | How to open .tgo file |
| .tgp | Terragen Plugin | How to open .tgp file |
| .tgq | Electronic Arts TGQ Video File | How to open .tgq file |
| .tgs | Telegram Animated Sticker File | How to open .tgs file |
| .tgv | Electronic Arts TGV Video File | How to open .tgv file |
| .tgw | Terragen World File | How to open .tgw file |
| .tgz | Gzipped Tar File | How to open .tgz file |
| .th | Therion Data File | How to open .th file |
| .tha | Windows Thai Noise-Words List File | How to open .tha file |
| .the | Microsoft Plus! Theme File | How to open .the file |
| .theater | iMovie Theater File | How to open .theater file |
| .theme | Microsoft Plus! Desktop Theme | How to open .theme file |
| .theme | GTK Theme Index File | How to open .theme file |
| .theme | Comodo Theme File | How to open .theme file |
| .themepack | Windows 7 Theme Pack | How to open .themepack file |
| .thing | MakerBot Thing File | How to open .thing file |
| .thl | Total 3D Home Design File | How to open .thl file |
| .thm | Sony Ericsson Theme File | How to open .thm file |
| .thm | Thermwood Macro File | How to open .thm file |
| .thmx | Office 2007 Theme File | How to open .thmx file |
| .thp | Wii/GameCube Video File | How to open .thp file |
| .thumb | JAlbum Thumbnail File | How to open .thumb file |
| .thumbdata3-1763508120 | Thumbnail Index File | How to open .thumbdata3-1763508120 file |
| .thumbdata3-1967290299 | Thumbnail Index File | How to open .thumbdata3-1967290299 file |
| .thumbdata4-1763508120 | Thumbnail Index File | How to open .thumbdata4-1763508120 file |
| .thumbdata4-1967290299 | Thumbnail Index File | How to open .thumbdata4-1967290299 file |
| .thumbnails | Android Thumbnails Folder | How to open .thumbnails file |
| .tiapp | TiTanium App | How to open .tiapp file |
| .tib | Acronis True Image File | How to open .tib file |
| .tibkp | Titanium Backup File | How to open .tibkp file |
| .tic | TIC-80 Game Cartridge File | How to open .tic file |
| .tid | AVCHD Thumbnail File | How to open .tid file |
| .tie | CrossTie Installer File | How to open .tie file |
| .tif | Tagged Image File | How to open .tif file |
| .tif | GeoTIFF Image | How to open .tif file |
| .tiff | Tagged Image File Format | How to open .tiff file |
| .tig | TI Connect Backup File | How to open .tig file |
| .tiger | Tomb Raider Game Data Archive | How to open .tiger file |
| .til | CTGP Revolution Texture Archive | How to open .til file |
| .tim | The Incredible Machine Level | How to open .tim file |
| .tim | Vixen Timed Sequence File | How to open .tim file |
| .time | LIGHT File | How to open .time file |
| .timeline | Timeline Data File | How to open .timeline file |
| .timer | Systemd Unit Configuration File | How to open .timer file |
| .timestamp | Geodatabase Timestamp File | How to open .timestamp file |
| .tini | Chrome OS Crostini Backup | How to open .tini file |
| .tip | TuneUp Utilities Icon Package | How to open .tip file |
| .tiprogram | TI-Basic Program File | How to open .tiprogram file |
| .tis | True Image Script | How to open .tis file |
| .tix | DivX Video Download Activation File | How to open .tix file |
| .tja | Taikojiro Song Map File | How to open .tja file |
| .tjc | Taikojiro Song Map Sequence File | How to open .tjc file |
| .tjp | TaskJuggler Project File | How to open .tjp file |
| .tjp | Tiled JPEG File | How to open .tjp file |
| .tk | Tk Script | How to open .tk file |
| .tk3 | TK3 Multimedia eBook | How to open .tk3 file |
| .tkfl | TKLinks Saver Favorite Links File | How to open .tkfl file |
| .tko | AMX Software Module File | How to open .tko file |
| .tl5 | Timeliner 5 File | How to open .tl5 file |
| .tla | TuneUp Utilities Startup Logo | How to open .tla file |
| .tlb | VAX Text Library | How to open .tlb file |
| .tlb | OLE Type Library | How to open .tlb file |
| .tlc | The Logo Creator File | How to open .tlc file |
| .tld | Tag Library Descriptor File | How to open .tld file |
| .tlg | QuickBooks Transaction Log File | How to open .tlg file |
| .tlh | Typelib Generated C/C++ Header File | How to open .tlh file |
| .tli | Typelib Generated C/C++ Inline File | How to open .tli file |
| .tline | TimelineOnline Data File | How to open .tline file |
| .tlk | BioWare Aurora Engine Talk Table File | How to open .tlk file |
| .tll | LG TV Link-Loader File | How to open .tll file |
| .tlo | SPSS TableLooks File | How to open .tlo file |
| .tlp | Tulip Software Graph Format File | How to open .tlp file |
| .tls | TuneUp Utilities Logon Screen | How to open .tls file |
| .tlx | Standard Dictionary File | How to open .tlx file |
| .tlz | Tar LZMA Compressed File | How to open .tlz file |
| .tlzma | LZMA Compressed Tar Archive | How to open .tlzma file |
| .tm2 | PlayStation 2 Graphic | How to open .tm2 file |
| .tm2 | Theta Music Composer 2.x Audio File | How to open .tm2 file |
| .tm8 | Theta Music Composer 1.x Audio File | How to open .tm8 file |
| .tmb | Timbuktu Pro Connection Document | How to open .tmb file |
| .tmbundle | TextMate Bundle File | How to open .tmbundle file |
| .tmc | Theta Music Composer 1.x Audio File | How to open .tmc file |
| .tmd | TextMaker Document | How to open .tmd file |
| .tmd | MySQL Temporary Database File | How to open .tmd file |
| .tmd | Nintendo Title Metadata File | How to open .tmd file |
| .tmdx | TextMaker Document | How to open .tmdx file |
| .tme | Bryce Time File | How to open .tme file |
| .tmf | TiVo Video Recording Archive | How to open .tmf file |
| .tmlanguage | TextMate Language Grammar File | How to open .tmlanguage file |
| .tmo | 3DCG Animation and Pose File | How to open .tmo file |
| .tmod | Terraria Mod File | How to open .tmod file |
| .tmp | Temporary File | How to open .tmp file |
| .tmp | Finale Temporary File | How to open .tmp file |
| .tmpl | Xfire User Interface Template | How to open .tmpl file |
| .tmpl | BlueJ Default Template | How to open .tmpl file |
| .tmproj | TextMate Project File | How to open .tmproj file |
| .tmproject | TextMate Project | How to open .tmproject file |
| .tmr | Free Countdown Timer Backup File | How to open .tmr file |
| .tmr | Apimac Timer Document | How to open .tmr file |
| .tms | Telemate Script | How to open .tms file |
| .tmtheme | TextMate Theme File | How to open .tmtheme file |
| .tmv | TimeMap Visual | How to open .tmv file |
| .tmv | TextMaker Template | How to open .tmv file |
| .tmv | 8088 Corruption Video | How to open .tmv file |
| .tmvt | TimeMap Template | How to open .tmvt file |
| .tmvx | TextMaker Document Template | How to open .tmvx file |
| .tmw | Translation Memory Data File | How to open .tmw file |
| .tmx | Translation Memory Exchange File | How to open .tmx file |
| .tmzip | Theme Manager Zip File | How to open .tmzip file |
| .tn | LG Phone Image | How to open .tn file |
| .tn1 | Tiny Low Resolution Image | How to open .tn1 file |
| .tn2 | Tiny Medium Resolution Image | How to open .tn2 file |
| .tn3 | Tiny High Resolution Image | How to open .tn3 file |
| .tne | Manga Studio Tone File | How to open .tne file |
| .tnef | Transport Neutral Encapsulation Format | How to open .tnef file |
| .tns | TI-Nspire Document | How to open .tns file |
| .tnsp | TI-Nspire PublishView Document | How to open .tnsp file |
| .tny | Atari Tiny Image | How to open .tny file |
| .toast | Toast Disc Image | How to open .toast file |
| .toc | PSP Audio File | How to open .toc file |
| .toc | Eudora Table of Contents | How to open .toc file |
| .toc | Brasero Table of Contents File | How to open .toc file |
| .toc | World of Warcraft Add-on Table of Contents File | How to open .toc file |
| .tod | JVC Everio Video Capture File | How to open .tod file |
| .tol | AOL Tool File | How to open .tol file |
| .toml | TOML Configuration File | How to open .toml file |
| .top | Gromacs Topology File | How to open .top file |
| .top | TopSolid Design Document | How to open .top file |
| .topc | TopicCrunch Project File | How to open .topc file |
| .topprj | TopSolid Project File | How to open .topprj file |
| .topviw | TopSolid'Viewer Document | How to open .topviw file |
| .tor | Star Wars The Old Republic Asset File | How to open .tor file |
| .torchdownload | Torch Partially Downloaded File | How to open .torchdownload file |
| .torrent | BitTorrent File | How to open .torrent file |
| .totalsbackup | Totals Database Backup File | How to open .totalsbackup file |
| .totalsdb | Totals Database File | How to open .totalsdb file |
| .totalslayout | Totals Invoice Layout File | How to open .totalslayout file |
| .totalssyncdb | Totals Synchronized Database File | How to open .totalssyncdb file |
| .tp | Beyond TV Transport Stream File | How to open .tp file |
| .tp0 | Mascom PVR Video File | How to open .tp0 file |
| .tp3 | Harvard Graphics DOS Template File | How to open .tp3 file |
| .tp4 | RollerCoaster Tycoon Track Picture File | How to open .tp4 file |
| .tpark | ThemePark Project File | How to open .tpark file |
| .tpb | GROMACS Binary Input File | How to open .tpb file |
| .tpc | Topic Connection Placeholder | How to open .tpc file |
| .tpd | TreePad 7 Database File | How to open .tpd file |
| .tpd | Cyberlink TOD Video File | How to open .tpd file |
| .tpf | SPSS Text Wizard Document | How to open .tpf file |
| .tpf | TexMod Package File | How to open .tpf file |
| .tpf | Transit NXT Pack Translation File | How to open .tpf file |
| .tpi | EDIUS Plugin File | How to open .tpi file |
| .tpi | TrueVision Bitmap Image | How to open .tpi file |
| .tpk | Gear Watchface Design Build File | How to open .tpk file |
| .tpkey | TexturePacker License Key File | How to open .tpkey file |
| .tpl | Document Template | How to open .tpl file |
| .tpl | Canvas Template | How to open .tpl file |
| .tpl | Adobe Photoshop Tool Presets File | How to open .tpl file |
| .tpl | Wii Image File | How to open .tpl file |
| .tpl | Phorum Template | How to open .tpl file |
| .tpl | PrestaShop Template File | How to open .tpl file |
| .tpl | TatukGIS Editor Print Template File | How to open .tpl file |
| .tpm | Transformation Parameters Model File | How to open .tpm file |
| .tpm | Trusted Platform Module Password File | How to open .tpm file |
| .tpr | TMPGEnc Project File | How to open .tpr file |
| .tps | Multi Channel Measurement File | How to open .tps file |
| .tps | Clarion TopSpeed Data File | How to open .tps file |
| .tps | Bryce Tree Shape File | How to open .tps file |
| .tps | TexturePacker Sprite Sheet File | How to open .tps file |
| .tpsr | TeamViewer Pilot Session Report File | How to open .tpsr file |
| .tpu | Turbo Pascal Unit | How to open .tpu file |
| .tpx | DeLorme Topo Project File | How to open .tpx file |
| .tpx | Turbo Pascal 7 Unit | How to open .tpx file |
| .tpz | Godot Engine Export Template Archive | How to open .tpz file |
| .tpz | Kindle Topaz eBook File | How to open .tpz file |
| .tqs | Trivia Quiz Shell Program File | How to open .tqs file |
| .tr | TomeRaider 2 eBook File | How to open .tr file |
| .tr3 | TomeRaider eBook File | How to open .tr3 file |
| .tra | WinTrack Railroad Track File | How to open .tra file |
| .trace | TRACES 3D Scene | How to open .trace file |
| .trace | VMware ThinApp Trace Log File | How to open .trace file |
| .trak | Traktor Content Pack File | How to open .trak file |
| .trashes | macOS USB Flash Drive Trash Folder | How to open .trashes file |
| .trashinfo | Linux Trash Metadata File | How to open .trashinfo file |
| .tray | Corel CONNECT Tray File | How to open .tray file |
| .trc | SQL Server Trace File | How to open .trc file |
| .trc | Oracle Trace File | How to open .trc file |
| .trd | TrID Definitions Package | How to open .trd file |
| .trec | TechSmith Recording File | How to open .trec file |
| .trelby | Trelby File | How to open .trelby file |
| .tres | Godot Engine Text Resource File | How to open .tres file |
| .trf | TorrentRover File | How to open .trf file |
| .trf | Smaart Transfer Function File | How to open .trf file |
| .trg | TriggerReactor Script | How to open .trg file |
| .tri | FaceGen Polygonal Model File | How to open .tri file |
| .trif | Tiled Raster Interchange Format | How to open .trif file |
| .trim.3ds | Trimmed 3DS ROM | How to open .trim.3ds file |
| .trim.cia | Trimmed CTR Importable Archive | How to open .trim.cia file |
| .trk | CompeGPS Land Track File | How to open .trk file |
| .trk | Garmin Track File | How to open .trk file |
| .trk | Finale Track Mapping File | How to open .trk file |
| .trk | Pacific Fighters Offline Track File | How to open .trk file |
| .trm | Oracle Trace Map File | How to open .trm file |
| .trm | FTR Media File | How to open .trm file |
| .trn | SQL Server Transaction Log Backup File | How to open .trn file |
| .trp | HD Video Transport Stream | How to open .trp file |
| .trs | WinTrack Railroad Track Text File | How to open .trs file |
| .trs | Linear Saw Component Information Archive | How to open .trs file |
| .trs | Rosetta Stone Language Data File | How to open .trs file |
| .truck | Rigs of Rods Truck Definition File | How to open .truck file |
| .trx | Visual Studio Test Results File | How to open .trx file |
| .trx | PASSOLO Translation List File | How to open .trx file |
| .trx | WebAuthorize Batch File | How to open .trx file |
| .trx_dll | Windows Startup File | How to open .trx_dll file |
| .ts | Video Transport Stream File | How to open .ts file |
| .ts | TypeScript File | How to open .ts file |
| .ts | Qt Translation Source File | How to open .ts file |
| .ts1 | VirtualBus Texture Description File | How to open .ts1 file |
| .ts4script | The Sims 4 Script Archive | How to open .ts4script file |
| .tsc | TINA Design File | How to open .tsc file |
| .tsc | Cave Story Script | How to open .tsc file |
| .tscdf | TechSmith Camtasia Device Frame File | How to open .tscdf file |
| .tscn | Godot Engine Text Scene File | How to open .tscn file |
| .tscproj | TechSmith Camtasia Project File | How to open .tscproj file |
| .tsf | Strater Template File | How to open .tsf file |
| .tsi | Traktor Settings File | How to open .tsi file |
| .tsk | Pocket PC Skin | How to open .tsk file |
| .tsk | Top Silkscreen File | How to open .tsk file |
| .tsk | TTPod Skin | How to open .tsk file |
| .tsl | Tracker Status Log | How to open .tsl file |
| .tsm | TwinCAT System Manager Configuration File | How to open .tsm file |
| .tsp | Digital TV DVR Recording | How to open .tsp file |
| .tsp | TrueSpeech Audio File | How to open .tsp file |
| .tsp | Keithley Instruments TSP Script | How to open .tsp file |
| .tsr | Tracker Status Report | How to open .tsr file |
| .tsr | TIFF Simple Rare File | How to open .tsr file |
| .tst | TestPoint Test File | How to open .tst file |
| .tst | TagScanner Text Transform Script | How to open .tst file |
| .tstream | SwarmPlayer Streaming Torrent | How to open .tstream file |
| .tsv | Tab Separated Values File | How to open .tsv file |
| .tsx | React TypeScript File | How to open .tsx file |
| .tsz | Trillian Skin File | How to open .tsz file |
| .tt | Visual Studio Text Template | How to open .tt file |
| .tt10 | TurboTax Canada 2010 Tax Return | How to open .tt10 file |
| .tt11 | TurboTax Canada 2011 Tax Return | How to open .tt11 file |
| .tt12 | TurboTax Canada 2012 Tax Return | How to open .tt12 file |
| .tt13 | TurboTax Canada 2013 Tax Return | How to open .tt13 file |
| .tt14 | TurboTax Canada 2014 Tax Return | How to open .tt14 file |
| .tt15 | TurboTax Canada 2015 Tax Return | How to open .tt15 file |
| .tt16 | TurboTax Canada 2016 Tax Return | How to open .tt16 file |
| .tt17 | TurboTax Canada 2017 Tax Return | How to open .tt17 file |
| .tt18 | TurboTax Canada 2018 Tax Return | How to open .tt18 file |
| .tt19 | TurboTax Canada 2019 Tax Return | How to open .tt19 file |
| .tt2 | Microsoft Temporary Font Installation File | How to open .tt2 file |
| .tt20 | TurboTax Canada 2020 Tax Return | How to open .tt20 file |
| .tt2012state | TurboTax 2012 State Tax Form | How to open .tt2012state file |
| .tt2013state | TurboTax 2013 State Tax Form | How to open .tt2013state file |
| .tt2014state | TurboTax 2014 State Tax Form | How to open .tt2014state file |
| .tt2015state | TurboTax 2015 State Tax Form | How to open .tt2015state file |
| .tt2016state | TurboTax 2016 State Tax Form | How to open .tt2016state file |
| .tt2017state | TurboTax 2017 State Tax Form | How to open .tt2017state file |
| .tt2018state | TurboTax 2018 State Tax Form | How to open .tt2018state file |
| .tta | True Audio File | How to open .tta file |
| .ttarch | Telltale Games Archive | How to open .ttarch file |
| .ttbk | Canadian TurboTax 2010 Backup File | How to open .ttbk file |
| .ttc | TrueType Font Collection | How to open .ttc file |
| .ttd | Tinytag Explorer Data File | How to open .ttd file |
| .tte | Private Character Editor File | How to open .tte file |
| .ttf | TrueType Font | How to open .ttf file |
| .ttk | Catalyst Translation Toolkit | How to open .ttk file |
| .ttkgp | TatukGIS Project File | How to open .ttkgp file |
| .ttl | AGT Game Title File | How to open .ttl file |
| .ttm | Tower Toppler Mission File | How to open .ttm file |
| .ttmd | Trail Tracker Trail Map | How to open .ttmd file |
| .tts | ToolBook Translation System File | How to open .tts file |
| .ttskey | Tech Tool Store License File | How to open .ttskey file |
| .ttx | Trados TagEditor File | How to open .ttx file |
| .ttxt | MPEG-4 Timed Text Subtitles File | How to open .ttxt file |
| .tu | Turing Source File | How to open .tu file |
| .tub | PaintShop Pro Picture Tube | How to open .tub file |
| .tun | LEGO Racers Audio File | How to open .tun file |
| .tur | Turing Program Source File | How to open .tur file |
| .tut | Children of the Nile Tutorial File | How to open .tut file |
| .tvc | TeamViewer Configuration File | How to open .tvc file |
| .tvc | Turbo View & Convert Batch Presets File | How to open .tvc file |
| .tvdownload | TeamViewer Download File | How to open .tvdownload file |
| .tvj | TrueView Job Ticket | How to open .tvj file |
| .tvl | TurboTax File | How to open .tvl file |
| .tvlayer | mimoLive TV Layer | How to open .tvlayer file |
| .tvm | TV3D Model | How to open .tvm file |
| .tvpi | TitanTV Television Listing File | How to open .tvpi file |
| .tvrecording | BoinxTV TV recording | How to open .tvrecording file |
| .tvs | TeamViewer Video Session File | How to open .tvs file |
| .tvshow | mimoLive Show | How to open .tvshow file |
| .tvtemplate | mimoLive Template | How to open .tvtemplate file |
| .tvvi | TitanTV Television Listing File | How to open .tvvi file |
| .tw3 | TCPWedge Configuration File | How to open .tw3 file |
| .twb | Tableau Workbook File | How to open .twb file |
| .twbx | Tableau Packaged Workbook | How to open .twbx file |
| .twc | TTWin Configuration File | How to open .twc file |
| .twh | Task Wheel Project File | How to open .twh file |
| .twig | Twig Template | How to open .twig file |
| .twm | theWord Module | How to open .twm file |
| .twt | Carmageddon 2 Data File | How to open .twt file |
| .twz | theWord Compressed Archive Module | How to open .twz file |
| .twzip | theWord Compressed Archive Module | How to open .twzip file |
| .tx_ | Compressed Text File | How to open .tx_ file |
| .txa | Midas ViewPoint Text Array List | How to open .txa file |
| .txd | Game Texture Dictionary | How to open .txd file |
| .txf | Transit XV Pack Translation File | How to open .txf file |
| .txf | Celestia Font Texture File | How to open .txf file |
| .txn | MySpaceIM Conversation Log File | How to open .txn file |
| .txt | Plain Text File | How to open .txt file |
| .txtrpt | CommScope Teletilt Control System Report | How to open .txtrpt file |
| .txw | Yamaha TX16W Audio File | How to open .txw file |
| .txz | XZ Compressed Tar Archive | How to open .txz file |
| .ty | TiVo Video Recording File | How to open .ty file |
| .tyimport | Typinator Set Import File | How to open .tyimport file |
| .typeit4me | TypeIt4Me Clippings File | How to open .typeit4me file |
| .tyset | Typinator Set File | How to open .tyset file |
| .tz | Zipped Tar Archive | How to open .tz file |
| .tzarc | Trainz Archive | How to open .tzarc file |
| .tzst | Zstandard Compressed Tar File | How to open .tzst file |
| .tzx | ZX Spectrum Tape Image File | How to open .tzx file |
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