| .tm2 |
PlayStation 2 Graphic |
| .tfmx |
Final Music System Tracker Module |
| .tme |
Compressed audio files, Treasure Map Editor files ... |
| .tun |
LEGO Racers Audio File |
| .tm8 |
Theta Music Composer 1.x Audio File |
| .tmc |
Theta Music Composer 1.x Audio File |
| .uax |
Unreal Audio Package |
| .u |
Unreal Tournament Class Package |
| .uw |
Unsigned Word Audio File |
| .ult |
UltraTracker Module |
| .uni |
MikMod UniMOD Module |
| .uwf |
UltraTracker Wave File |
| .usf |
EVGA Precision X Skin File |
| .usflib |
Nintendo 64 Song Library |
| .ust |
UTAU Sequence Text File |
| .u8 |
3D Lemmings Audio File |
| .ub |
Unsigned Byte Audio File |
| .ulaw |
Raw u-Law Audio File |
| .ulw |
u-Law Audio File |
| .vb |
Visual Basic Project Item File |
| .voc |
Creative Labs Audio File |
| .vox |
Dialogic Voice Audio File |
| .vrf |
Ventrilo Audio Recording |
| .vmd |
Vocaloid Motion Data File |