«U» file extensions

File extensions starting with the letter U

uib

uib

Jet-Audio Skin
uif

uif

PowerISO File
uis

uis

uit

uit

Eurotherm iTools Template
uland

uland

drawing
ulb

ulb

Fractal Class Library
ulk

ulk

Under Lock and Key File
ult

ult

Winamp media file
ulw

ulw

AU Audio
ulz

ulz

Compressed Update List
umc

umc

uml

uml

StarUML Project
umx

umx

AIMP UMX File
uni

uni

eCopy Document
unk

unk

Photometric Unknown