| ttsm | TTS Turbo Macros Data |
| ttsystem | TomTom System Update Data |
| ttv | TempTale Manager Desktop Data |
| ttvf | PlainTalk Voice Data |
| ttx | Trados TagEditor File |
| ttx | TempTale4 USB Encrypted Data |
| ttx | WinTTX Teletext Data |
| tty | Adobe Dreamweaver TTY Data |
| ttypes | Tome Editor Custom Types Data |
| tt_ | Compressed TTF File |
| tud | ThumbsPlus Graphics Database |
| tudb | AVG PC TuneUp Database |
| tue | Mozilla Firefox Bookmark Backup |
| tuf | Microsoft SQL Server Transaction Undo File |
| tun | Wusikstation Microtuning Data |
| turbo | Intuit TurboTax Related Data |
| tuw | Microsoft Office Installer Control File |
| tux | Tutorix Tutorial Data |
| tv | Paradox Table Property File |
| tva | TrueVision3D Model |
| tvants | TVAnts Data |
| tvd | Lucene Term Vector Documents |
| tvf | Lucene Term Vector Fields |
| tvf | Topcon Link Vector Data |
| tvgskin | TVgenial Skin |
| tvixie | TViXiE Data |
| tvl | Intuit TurboTax TVL Data |
| tvlayer | BoinxTV TV Layer |
| tvm | TrueVision3D Morph Target |
| tvp | Nvidia NView Desktop Profile |
