| .tlb |
VAX Text Library |
| .tdf |
Text Design File |
| .textclipping |
Mac OS X Text Clipping File |
| .template |
Apple Pages Template |
| .thp |
Wii/GameCube Video File |
| .tmdx |
TextMaker Document |
| .tpc |
Topic Connection Placeholder |
| .tvj |
TrueView Job Ticket |
| .tm |
TeXmacs Document |
| .tmd |
TextMaker Document |
| .trelby |
Trelby File |
| .tmvx |
TextMaker Document Template |
| .unx |
Unix Text File |
| .utf8 |
Unicode UTF8-Encoded Text Document |
| .utxt |
Unicode Text File |
| .unauth |
SiteMinder Unauthorized Message File |
| .u3i |
U3 Application Information File |
| .uot |
Uniform Office Document |
| .uof |
Uniform Office Document |
| .upd |
Program Update Information |
| .vct |
IDRISI Vector Image |
| .vnt |
Mobile Phone vNote File |
| .vw |
Volkswriter Text File |
| .wpd |
WordPerfect Document |