| UPG |
Upgrade File |
Other files |
| UPK |
Unreal Engine 3 Package |
game files |
| UPOI |
iGO Points of Interest File |
data file |
| UPR |
Fractal Parameters File |
data file |
| UPR |
FileMaker User Dictionary |
data file |
| UPS |
UPS Patch File |
game files |
| UPX |
Ultimate Packer for eXecutables File |
executable file |
| UQM |
The Ur-Quan Masters Game Data File |
game files |
| URL |
Internet Shortcut |
web file |
| URR |
Uniface Signatures File |
Other files |
| URT |
Utah Raster Toolkit File |
raster image file |
| USA |
Unreal Saved Game File |
game files |
| USEQ |
USeq Genome Data File |
data file |
| USER |
Visual Studio Project User Options File |
settings file |
| USERPRO |
Norton AntiVirus User Profile File |
settings file |
| USERTILE-MS |
Windows 8 User Tile File |
raster image file |
| USF |
EVGA Precision X Skin File |
settings file |
| USF |
Nintendo 64 Music File |
audio file |
| USF |
Universal Subtitles Format File |
video file |
| USFLIB |
Nintendo 64 Song Library |
audio file |
| USM |
USM Game Video File |
video file |
| USR |
SmartMusic Custom File |
data file |
| USR |
FileMaker Pro Database File |
database file |
| USR |
Lowrance GPS Data File |
GIS file |
| UST |
UTAU Sequence Text File |
audio file |
| USTAR |
Uniform Standard Tape Archive Format File |
data file |
| USX |
Unreal Static Meshes |
game files |
| UT2 |
Unreal Tournament Map |
game files |
| UT2MOD |
Unreal Tournament 2003/2004 Module File |
game files |
| UT3 |
Unreal Tournament 3 Map File |
game files |
| UT4MOD |
Unreal Tournament 2004 Module |
game files |
| UT8 |
Ghost Master Language File |
game files |
| UTC |
Bioware Creature File |
game files |
| UTF8 |
Unicode UTF8-Encoded Text Document |
text file |
| UTW |
Unity Whirld File |
game files |
| UTX |
Unreal Texture Package |
game files |
| UTXT |
Unicode Text File |
text file |
| UTZ |
UIQ Theme Package |
settings file |
| UU |
Uuencoded File |
encoding file |
| UUD |
UUDecoded File |
encoding file |
| UUE |
Uuencoded File |
encoding file |
| UVF |
Uncertain Value Format |
data file |
| UVW |
UVW Coordinates File |
data file |
| UVX |
Unreal Tournament 2003 Saved Game |
game files |
| UW |
Unsigned Word Audio File |
audio file |
| UWF |
UltraTracker Wave File |
audio file |
| UWL |
User Word List File |
data file |
| UWRF |
Universal Web Radio File |
data file |
| UXF |
UML eXchange Format |
page layout file |
| UXX |
Unreal Tournament Cache |
game files |