| .T3D | Epic Games | Soubory 3D obrázků | Unreal Engine 3D Object File | Adobe Flash Player | Adobe Systems Incorporated |
| .TAL | Adobe Systems Incorporated | Textové soubory | Adobe TypeAlign Text Illustration File | Adobe TypeAlign | Adobe Systems Incorporated |
| .TBL | Blizzard Entertainment Inc. | Datové soubory | StarCraft Information Table | Adobe PageMaker | Adobe Systems Incorporated |
| .TBR | Adobe Systems Incorporated | Soubory nastavení | Adobe Photoshop Custom Toolbar Preset | Adobe Photoshop | Adobe Systems Incorporated |
| .TCL | Open Source | Soubory pro vývojáře | Tcl Script | ExtendScript Toolkit (ESTK) | Adobe Systems Incorporated |
| .TGA | Avid Technology | Rastrové obrazové soubory | Targa Graphic | Adobe Illustrator CC | Adobe Systems Incorporated |
| .THM | Sony | Neobvyklé soubory | Sony Ericsson Mobile Phone Theme File | Adobe Photoshop Elements | Adobe Systems Incorporated |
| .TIF | XnSoft | Rastrové obrazové soubory | Tagged Image File Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TIFF | XnSoft | Rastrové obrazové soubory | Tagged Image File Format | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TIM | Sierra Entertainment | Soubory her | The Incredible Machine Level | Adobe Illustrator CC | Adobe Systems Incorporated |
| .TOD | JVCKenwood Group | Video soubory | JVC Everio Video Capture File | Adobe Flash Player | Adobe Systems Incorporated |
| .TPL | Unknown Developer | Textové soubory | Document Template | Adobe Photoshop | Adobe Systems Incorporated |
| .TTY | Adobe Systems Incorporated | Datové soubory | Adobe Dreamweaver Data | Adobe Dreamweaver | Adobe Systems Incorporated |
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