| ts5 | Green Kenue Time Series Data |
| tsa | Trial Sequential Analysis Data |
| tsc | Tekla Structures Exported Shape |
| tsc | TINA v6 Schematic Data |
| tsc | Top Secret Crypto Gold Encrypted Data |
| tscdf | Camtasia Device Frame Data |
| tscpro | Camtasia Device Frame Data |
| tscx | Transportation Security Clearance Data |
| tsd | Tamino Schema Definition Data |
| tsf | Strater Template |
| tsg | TSG Data |
| tsi | TSplayer Data |
| tsig | Top Secret Crypto Gold Detached Signature |
| tsj | Topcon TopSURV Job |
| tsk | Miranda NG Tabsrmm Plug-in Skin Data |
| tsk | Petrosys Task List |
| tsk | PhotoImpact Commands Data |
| tsk | Task Coach Data |
| tsk | TTPod Skin |
| tsks | XviD4PSP Tasks Data |
| tsm | TINA Subcircuit Macro |
| tsm | Turbo Assembler for OS/2 Manual |
| tsmagenda | TSM Agenda Data |
| tso | The Studio Organizer Data |
| tspub | Windows Server Terminal Services RemoteApp Data |
| tst | LinkWare Test Database |
| tst | Pro/ENGINEER Test Results Data |
| tst | RPG Toolkit Tile Data |
| tst | TagScanner Text Transform Script |
| tst | TestPoint Test Data |
