| tbl | ESO-MIDAS Table Data |
| tbl | Pro/ENGINEER Table |
| tbm | DB/TextWorks Database Menu Screen |
| tbm | Tableau Bookmark Data |
| tbo | Turbo Architecture Database |
| tbp | TASBooks Accounting Data |
| tbpd | Toon Boom Studio for Mac Project Directory |
| tbr | Adobe Photoshop Custom Toolbar Data |
| tbr | Norton Desktop Custom Toolbar |
| tbres | Microsoft Store TokenBroker Cache Data |
| tbs | DB/TextWorks Persistent Scripting Information |
| tbs | Intel VTune Performance Monitor Sampling Data |
| tbt | Timbuktu Pro Remote Control Software Format Data |
| tbu | DB/TextWorks Textbase User File |
| tbu | SDL Passolo Translation Bundle |
| tbv | Turbo-BrainVoyager Data |
| tbw | ModelSim Test Bench Waveform |
| tbx | SDL Trados Studio Glossary Data |
| tbx | TermBase eXchange Data |
| tc1 | GeoTide Harmonic Location Constants Data |
| tc2 | GeoTide Vector Stream Prediction Constants Data |
| tcap | HP OpenCall TCAP File |
| tcax | TestComplete Events Project Data |
| tcb | Tokyo Cabinet Database |
| tcc | Tibbo Composite Compressed Data |
| tcc | TimeCalc Classic Data |
| tcdb | CFEngine Database |
| tcdb | Tokyo Cabinet Database |
| tcdock | TestComplete Panel Layout Data |
| tce | STK Two-line Element Sets |
