.T | Holt Software | Udviklerfiler | Turing Source Code File | Microsoft Notepad | Microsoft Corporation |
.T2 | RM Education | Datafiler | Textease 2000 File | Microsoft Windows | Microsoft Corporation |
.T3D | Epic Games | 3D-billedfiler | Unreal Engine 3D Object File | Microsoft Windows Media Player | Microsoft Corporation |
.TAB | Microsoft Corporation | Tekstfiler | Tab Separated Data File | Microsoft Excel | Microsoft Corporation |
.TBB | Microsoft Corporation | Indstillingsfiler | Microsoft Office Toolbar Button | Microsoft Office | Microsoft Corporation |
.TBK | SumTotal Systems | Datafiler | ToolBook Project File | Microsoft Visual FoxPro | Microsoft Corporation |
.TCM | IMSI/Design, LLC | CAD-filer | TurboCAD Mac Drawing | Microsoft Notepad | Microsoft Corporation |
.TDX | D-TEG Security Co. | Videofiler | D-TEG CCTV Video Information File | Microsoft Visual FoxPro | Microsoft Corporation |
.TESTRUNCONFIG | Microsoft Corporation | Indstillingsfiler | Microsoft Visual Studio Test Run Configuration File | Microsoft Visual Studio | Microsoft Corporation |
.TESTSETTINGS | Microsoft Corporation | Udviklerfiler | Visual Studio Test Settings File | Microsoft Visual Studio | Microsoft Corporation |
.TEXT | Sublime HQ Pty Ltd | Tekstfiler | Plain Text File | Microsoft Notepad | Microsoft Corporation |
.TGA | Avid Technology | Rasterbilledfiler | Targa Graphic | ACD Systems Canvas | Microsoft Corporation |
.TGD | Planetside Software | Datafiler | Terragen Project File | Microsoft Notepad | Microsoft Corporation |
.TGML | Unknown Developer | Udviklerfiler | Tecumseh Group Markup Language Source Code | Microsoft Notepad | Microsoft Corporation |
.THE | Microsoft Corporation | Indstillingsfiler | Microsoft Plus! Theme File | Microsoft Plus! | Microsoft Corporation |
.THEME | Microsoft Corporation | Systemfiler | Microsoft Plus! Desktop Theme | Microsoft Windows | Microsoft Corporation |
.THEMEPACK | Microsoft Corporation | Indstillingsfiler | Microsoft Windows 7 Theme Pack | Microsoft Windows 7 | Microsoft Corporation |
.THM | Sony | Ikke Almindelige Filer | Sony Ericsson Mobile Phone Theme File | Microsoft Windows Picture and Fax Viewer | Microsoft Corporation |
.THMX | Microsoft Corporation | Indstillingsfiler | Microsoft Office 2007 Theme File | Microsoft Excel | Microsoft Corporation |
.TIF | XnSoft | Rasterbilledfiler | Tagged Image File Format | Microsoft Windows Photos | Microsoft Corporation |
.TIFF | XnSoft | Rasterbilledfiler | Tagged Image File Format | Microsoft Windows Photos | Microsoft Corporation |
.TIM | Sierra Entertainment | Spilfiler | The Incredible Machine Level | Microsoft Windows Photos | Microsoft Corporation |
.TIVO | TiVo Corporation | Videofiler | TiVo Video File | Windows Media Center | Microsoft Corporation |
.TLB | Various Developers | Tekstfiler | VAX Text Library | Microsoft Excel | Microsoft Corporation |
.TLD | The Eclipse Foundation | Udviklerfiler | Tag Library Descriptor File | Microsoft XML Notepad | Microsoft Corporation |
.TLH | Microsoft Corporation | Udviklerfiler | Typelib Generated C/C++ Header File | Microsoft Visual Studio | Microsoft Corporation |
.TLI | Microsoft Corporation | Udviklerfiler | Typelib Generated C/C++ Inline File | Microsoft C/C++ | Microsoft Corporation |
.TMP | Mozilla | Sikkerhedskopifiler | General Temporary File | Internet Explorer | Microsoft Corporation |
.TMPL | Xfire, Inc. | Ikke Almindelige Filer | Xfire User Interface Template | Visual Studio Code | Microsoft Corporation |
.TNEF | Microsoft Corporation | Ikke Almindelige Filer | Transport Neutral Encapsulation Format | Microsoft Outlook Express | Microsoft Corporation |
.TOPC | 3d-scape Limited | Datafiler | TopicCrunch Project File | Microsoft Notepad | Microsoft Corporation |
.TPL | Unknown Developer | Tekstfiler | Document Template | ACD Systems Canvas | Microsoft Corporation |
.TRC | Microsoft Corporation | Databasefiler | SQL Server Trace File | Microsoft SQL Server | Microsoft Corporation |
.TRI | Singular Inversions | 3D-billedfiler | FaceGen Polygonal Model File | Microsoft Notepad | Microsoft Corporation |
.TRN | Microsoft Corporation | Sikkerhedskopifiler | SQL Server Transaction Log Backup File | Microsoft SQL Server | Microsoft Corporation |
.TRX | Microsoft Corporation | Udviklerfiler | Visual Studio Test Results File | Microsoft Visual Studio | Microsoft Corporation |
.TRY | Microsoft Corporation | Ikke Almindelige Filer | SCCM 2012 R2 Despoolr.box | Microsoft system center configuration manager | Microsoft Corporation |
.TS | Various Developers | Videofiler | Video Transport Stream File | Microsoft Visual Studio | Microsoft Corporation |
.TSK | Microsoft Corporation | Indstillingsfiler | Pocket PC Skin | Microsoft ActiveSync | Microsoft Corporation |
.TSP | Inmatrix Media Solutions | Videofiler | Digital TV DVR Recording | Microsoft Windows | Microsoft Corporation |
.TSQ | Microsoft Corporation | Udviklerfiler | ODBC Script File | Microsoft ODBC Data Source Administrator | Microsoft Corporation |
.TSV | Unknown Developer | Datafiler | Tab Separated Values File | Microsoft Excel | Microsoft Corporation |
.TT | Microsoft Corporation | Udviklerfiler | Visual Studio Text Template | Microsoft Visual Studio | Microsoft Corporation |
.TT2 | Microsoft Corporation | Midlertidige Filer | Microsoft Office 2013 Installation | Microsoft Office | Microsoft Corporation |
.TTA | True Audio | Lydfiler | True Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.TTC | Various Developers | Skrifttypefiler | TrueType Font Collection | Microsoft Windows Font Viewer | Microsoft Corporation |
.TTE | Microsoft Corporation | Skrifttypefiler | Private Character Editor File | Microsoft Private Character Editor | Microsoft Corporation |
.TTS | SumTotal Systems | Datafiler | ToolBook Translation System File | Microsoft Windows Media Player | Microsoft Corporation |
.TUR | Holt Software | Udviklerfiler | Turing Program Source File | Microsoft Notepad | Microsoft Corporation |
.TXE | Open Source | Tekstfiler | Enriched Text File | Microsoft Notepad | Microsoft Corporation |
.TXT | Sublime HQ Pty Ltd | Tekstfiler | Plain Text File | Microsoft Notepad | Microsoft Corporation |
.TX_ | Microsoft Corporation | Komprimerede filer | Compressed TXT File | Microsoft Makecab | Microsoft Corporation |