| UGR |
Apophysis Ultra Fractal Gradient File |
settings file |
| UHA |
UHarc Compressed Archive |
Compressed file |
| UHTML |
UC Browser Saved Webpage |
web file |
| UI |
User Interface File |
developer files |
| UIBAK |
UltraISO Backup Disk Image |
disk image file |
| UIF |
Universal Image Format Disc Image |
disk image file |
| UIS |
WindowBlinds User Interface Specification |
settings file |
| UKX |
Unreal Animation Package |
game files |
| ULAW |
Raw u-Law Audio File |
audio file |
| ULD |
Unified Luminaire Data File |
CAD file |
| ULF |
Universal List File |
data file |
| ULP |
EAGLE User Language Program |
data file |
| ULS |
NetMeeting User Location Service File |
Other files |
| ULT |
UltraTracker Module |
audio file |
| ULW |
u-Law Audio File |
audio file |
| ULX |
Glulx Game File |
game files |
| ULZ |
USBlyzer Data Capture File |
data file |
| UMAP |
Unreal Engine Map File |
game files |
| UMD |
Splinter Cell Blacklist Game Data File |
game files |
| UMF |
MediaHolder Universal Media Format File |
data file |
| UML |
UML Data Object Model |
developer files |
| UMLCLASS |
UML Class Model |
developer files |
| UMOD |
Unreal Tournament Module File |
game files |
| UMS |
Rune 3D Mesh File |
3D image file |
| UMX |
Unreal Music Package |
game files |
| UNAUTH |
SiteMinder Unauthorized Message File |
text file |
| UNF |
UNIF ROM File |
game files |
| UNI |
MikMod UniMOD Module |
audio file |
| UNIF |
UNIF ROM File |
game files |
| UNITY |
Unity Scene File |
game files |
| UNITY3D |
Unity Web Player Archive |
game files |
| UNITYPACKAGE |
Unity Package File |
data file |
| UNITYPROJ |
Unity 3D Project |
game files |
| UNK |
Unknown File |
Other files |
| UNKNOWN |
Unknown File Type |
Other files |
| UNL |
Garmin Unlock File |
Other files |
| UNR |
Unreal Level Map |
game files |
| UNT |
AutoCAD Unit Definition File |
CAD file |
| UNX |
Unix Text File |
text file |
| UOF |
Uniform Office Document |
text file |
| UOP |
Uniform Office Presentation |
data file |
| UOP |
Ultima Online Patch File |
game files |
| UOS |
Uniform Office Spreadsheet |
Spreadsheet file |
| UOT |
Uniform Office Document |
text file |
| UPD |
Program Update Information |
text file |
| UPDATE |
ISAPI Update File |
data file |
| UPDATR |
iConomy Update File |
game files |
| UPF |
MicroStation User Preferences File |
settings file |
| UPF |
Unified Power Format File |
CAD file |
| UPF |
Panono Unstitched Panorama Format |
raster image file |