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    IT Management 7 min read

    Letter T: Data Formats & File Extensions

    Find data file formats and file extensions that start with the letter T, or view thousands of file extensions and file formats in the complete list.

    With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia’s Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

    Data File Formats that Begin with the Letter ‘T’

    .t Tads source
    Tape Archive (tar) without compression
    Tester symbol table (ReaGeniX code generator)
    File extension for a Turing open source file
    .t$m AVG Internet Security Temporary file
    .t04 TaxCut 2004 file
    .t05 TaxCut 2005 Tax Return
    .t06 TaxCut 2006 Tax Return
    .t07 TaxCut 2007 Tax Return
    .t08 TaxCut 2008 Tax Return
    .t09 H&R Block At Home 2009 Tax Return
    .t10 H&R Block At Home 2010 Tax Return
    .t11 H&R Block At Home 2011 Tax Return
    .t12 H&R Block At Home 2012 Tax Return
    .t2 Textease 2000 file
    .t44 Temporary file for Sort or Index (dBASE IV)
    .t64 Program (C64S emulator)
    .ta0 TaxAct file
    .tab Guitar Tablature file
    MapInfo Table
    Diabetes Mentor file
    .tag Query tag name (DataFlex)
    .tah Turbo Assembler Help file (Borland C++)
    .tal Text illustration (TypeAlign)
    .tao IsoBuster file
    .tar Compressed file archive created by TAR (pax2exe.zoo)
    .tax TurboTax file
    .taz Compressed ASCII file archive created by TAR and COMPRESS (.tar.Z)
    .tb1 Font file (Borland Turbo C)
    .tb2 Font file (Borland Turbo C)
    .tbf Fax (Imavox TurboFax)
    .tbh Mah Jongg for Windows Tile Set
    .tbk Memo backup (dBASE IV – FoxPro)
    Toolbook (Asymetrix ToolBook)
    .tbl Graphics (native format) (Adobe PageMaker TableEditor)
    Table of values (OS/2)
    .tbs Text elements ?? (Textbausteine) (MS Word)
    .tbx Table (Project Scheduler 4)
    .tc Configuration (Turbo C – Borland C++)
    .tch Turbo C Help file (Borland C++)
    .tcl Tool Command Language source code (Swat)
    .tcp 3D Topicscape (exported inter-Topicscape topic link)
    .tcw Drawing (TurboCAD for Windows)
    .td Configuration file (Turbo Debugger for DOS)
    .td0 Disk image file (Teledisk)
    .td2 Configuration file (Turbo Debugger for Win32)
    .tdb Database (TACT)
    eBay Turbo Lister file
    .tdf Font (TheDraw)
    Typeface definition file (Speedo)
    .tdh Help file (Turbo Debugger)
    .tdk Keystroke recording file (Turbo Debugger)
    .tds Symbol table (Turbo Debugger)
    .tdt ASCII Data File in CSV Format
    Daylight Fingerprint Data file
    Thor Datatree file
    .tdw Configuration file (Turbo Debugger for Windows)
    .tee TeeChart Office graphic
    .tef Fax (Relisys TEFAX)
    .tel Host file (Telnet)
    .tem Turbo Editor Macro Language script (Borland C++)
    Input template (IconAuthor)
    .temp Temporary file
    .test Test File Extension
    .tex LaTeX Source Document file
    Tex text file (Scientific Word)
    Datasheet (Idealist)
    .text ASCII Text file
    .tf Configuration (Turbo Profiler)
    Configuration (TinyFugue)
    .tfa Area file (Turbo Profiler)
    .tfc Catalogue file (Tobi’s Floppy Cataloguer)
    .tfh Help file (Turbo Profiler)
    .tfm Tex Font Metric file (TeX)
    Tagged font metric file (Intellifont)
    .tfs Statistics (Turbo Profiler)
    .tfw ArcView World File For TIF Image
    Digital Raster Graphic World
    .tg1 Project file (On Target)
    .tga Truevision Targa bitmap graphics
    .tgz Compressed file archive created by TAR and GNUzip (.tar.gz)
    .thb KinuPix Skin
    .thd Thread
    .thm Thumbnail Image file
    Microsoft Clipart Gallery database
    Serif DrawPlus Theme
    .thn Graphics Workshop for Windows Thumbnail
    .ths Thesaurus dictionary (WordPerfect for Win)
    .tib Acronis True Image file
    .tif Tagged Image File Format bitmap graphics (PageMaker – CorelDRAW)
    .tiff Tagged Image File Format
    .til Fuzzy logic knowledge base (Togai InfraLogic Fuzzy-C Compiler)
    .tim Playstation Game Texture Image
    The Incredible Machine Level File
    .tis Tile set (MahJongg 3.0)
    .tix ASA for UNIX Terminfo Extension file
    DivX file
    Hybrid Graphics file
    Tix Widgets
    .tjl Backup file (VAXTPU editor)
    .tlb OLE Type Library
    Reference table (Bubble Chamber)
    Text library (VAX)
    Type library (Visual C++)
    .tlc Compiled Tool Command Language source code (Swat)
    .tlp Project (TimeLine)
    .tlt Trellix Web Design file
    .tmb Timbuktu Pro Connection Document
    .tmd Document (TextMaker)
    .tmf Tagged Font Metric file (WordPerfect for Win)
    .tmo Ztg global optimizer default output file (Zortech C++)
    .tmp Temporary file
    .tmpl eMule Web Interface Template file
    .tmq TestMaster file
    .tms Script (Telemate)
    .tmv Template (TextMaker)
    .toc Table Of Contents
    PSP Audio file
    .tol Kodak Photoenhancer
    .TOPC TopicCrunch project file for saving and resubmitting SEO searches
    .tos Self-extracting file archive (Atari ST)
    .tp Configuration (Turbo Pascal)
    Session-state file (Turbo Profiler)
    GUI template file for components written in C (Ternion)
    .tp3 Template (Harvard Graphics 3.0)
    .tpb Downloadable PCL Soft font file backup (HiJaak)
    .tpf Downloadable PCL Soft font file (HiJaak)
    .tph Help file (Turbo Pascal)
    .tpi Microsoft Test file
    .tpl Document Template file
    Resident units library (Turbo Pascal)
    Template (Harvard Graphics 2.0)
    .tpp Protected Mode Units (Borland Pascal 7.0)
    Teleport Pro Project file
    GUI template file for components written in C++ (Ternion)
    .tps Clarion for Windows data file
    .tpu Turbo Pascal Unit (BGI) (Turbo Pascal)
    Command file (VAXTPU editor)
    .tpw Session-state file (Turbo Profiler for Windows)
    Turbo Pascal Unit (BGI) (Turbo Pascal for Windows)
    .tpz Compressed file archive created by TAR and GNUzip (.tar.gz)
    .tr Session-state settings (Turbo Debugger for DOS)
    Man page input suitable for troff -man (cawf2.zip)
    .tr2 Session-state settings (Turbo Debugger for Win32)
    .trace ECXpert Debugging file
    TcpDump Output file
    Telcordia Software Visualization and Analysis Toolsuite
    WebSTAR Mail Server Error file
    Zope 3 Strace Log
    .trc Debug support file (Power CTrace)
    .tre Directory tree file (PC-Tools)
    .trg Symantec LiveUpdate file
    .tri Trigram file
    .trk Kermit Script file
    Mixman Studio Track
    Train Dispatcher Railroad Centgralized Traffic Control Simulation
    Magellan “MapSend”- series GPS ‘track’ data file
    .trm Terminal settings (Windows 3.x)
    .trn Translation support file (Quattro)
    .trp Tripmaker file
    High Definition Video Transport Stream file
    .trs Executable file (Micrografx)
    .trw Session-state settings (Turbo Debugger for Windows)
    .trx Router Firmware file
    Emerald PC Authorize Batch Transaction file
    .ts Transport Stream file
    .tsk Skins for Pocket PC PDAs
    PhotoImpact Quick Command
    .tsp Windows Telephony Service Provider
    .tst Printer test file (WordPerfect for Win)
    .tsv Tab Separated Value file
    .tt10 Turbotax 2010 Return file
    .tta The True Audio Codec file
    .ttc OpenType font file
    .ttf Truetype Font file
    .tub PaintShop Pro Tube file
    .tut Tutorial
    .tv Table view settings (Paradox)
    .tv1 Overflow file above insert point in Doc 1 (WordPerfect for Win)
    .tv2 Overflow file above insert point in Doc 2 (WordPerfect for Win)
    .tv3 Overflow file above insert point in Doc 3 (WordPerfect for Win)
    .tv4 Overflow file above insert point in Doc 4 (WordPerfect for Win)
    .tv5 Overflow file above insert point in Doc 5 (WordPerfect for Win)
    .tv6 Overflow file above insert point in Doc 6 (WordPerfect for Win)
    .tv7 Overflow file above insert point in Doc 7 (WordPerfect for Win)
    .tv8 Overflow file above insert point in Doc 8 (WordPerfect for Win)
    .tv9 Overflow file above insert point in Doc 9 (WordPerfect for Win)
    .tvf Table view settings (dBASE)
    .tvo TeveoLive
    .tvp NVIDIA Graphic Card Update file
    .tvr Navicat for MySQL file
    .tvt RealPlayer
    .txd Grand Theft Auto 3 Texture file
    Letters Direct
    .txf Compressed file archive created by TAR and FREEZE (.tar.f)
    .txi Support file (TeX)
    .txl Genesis3D Texture file
    .txt Text file
    .tym Time Stamp (PageMaker 4)
    .tz Compressed file archive created by TAR and COMPRESS (.tar.Z)
    .tzb Compressed file archive created by TAR – COMPRESS – BTOA (.tar.Z.btoa)

    Recommended Reading: An Introduction to Data File Formats and Their File Extensions

    This article was last updated on April 15, 2012