| .T3D | Epic Games | 3D-Dateien | Unreal Engine 3D Object File | Adobe Flash Player | Adobe Systems Incorporated |
| .TAL | Adobe Systems Incorporated | Textdateien | Adobe TypeAlign Text Illustration File | Adobe TypeAlign | Adobe Systems Incorporated |
| .TBL | Blizzard Entertainment Inc. | Textdateien | StarCraft Information Table | Adobe PageMaker | Adobe Systems Incorporated |
| .TBR | Adobe Systems Incorporated | Einstellungsdateien | Adobe Photoshop Custom Toolbar Preset | Adobe Photoshop | Adobe Systems Incorporated |
| .TCL | Open Source | Entwicklerdateien | Tcl Script | ExtendScript Toolkit (ESTK) | Adobe Systems Incorporated |
| .TGA | Avid Technology | Rasterbilddateien | Targa Graphic | Adobe Illustrator CC | Adobe Systems Incorporated |
| .THM | Sony | Sonstige Dateien | Sony Ericsson Mobile Phone Theme File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .TIF | XnSoft | Rasterbilddateien | Tagged Image File Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TIFF | XnSoft | Rasterbilddateien | Tagged Image File Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TIM | Sierra Entertainment | Spieldateien | The Incredible Machine Level | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TOD | JVCKenwood Group | Videodateien | JVC Everio Video Capture File | Adobe Flash Player | Adobe Systems Incorporated |
| .TPL | Unknown Developer | Textdateien | Document Template | Adobe Photoshop | Adobe Systems Incorporated |
| .TTY | Adobe Systems Incorporated | Textdateien | Adobe Dreamweaver Data | Adobe Dreamweaver | Adobe Systems Incorporated |
von 1 
