Sorted alphabetically: U

How to open .U file extension?

Unreal Tournament Class Package - Producer: Epic Games
How to open .U10 file extension?

UFile 2010 Tax Return - Producer: Dr Tax Software
How to open .U11 file extension?

UFile 2011 Tax Return - Producer: Dr Tax Software
How to open .U12 file extension?

UFile 2012 Tax Return - Producer: Dr Tax Software
How to open .U3D file extension?

Universal 3D File - Producer: 3D Industry Forum
How to open .U3I file extension?

U3 Application Information File - Producer: N/A
How to open .U3P file extension?

U3 Smart Application - Producer: SanDisk
How to open .U8 file extension?

3D Lemmings Audio File - Producer: Clockwork Games
How to open .UAX file extension?

Unreal Audio Package - Producer: Epic Games
How to open .UB file extension?

Unsigned Byte Audio File - Producer: N/A
How to open .UBJ file extension?

Universal Binary JSON File - Producer: The Buzz Media
How to open .UBOX file extension?

Universe Sandbox Data File - Producer: Universe Sandbox
How to open .UC file extension?

UnrealScript Class - Producer: N/A
How to open .UC2 file extension?

UltraCompressor 2 Archive - Producer: N/A
How to open .UCCAPILOG file extension?

Microsoft UCC API Log File - Producer: Microsoft
How to open .UCE file extension?

Windows UCE System File - Producer: Microsoft
How to open .UCF file extension?

WebEx Media File - Producer: Cisco Systems
How to open .UCI file extension?

UFS Explorer Backup File - Producer: SysDevSoftware
How to open .UCL file extension?

Unreal Tournament cache file - Producer: Epic Games, Inc.
How to open .UCM file extension?

Crazy Machines Model File - Producer: Viva Media
How to open .UCT file extension?

UC Browser Theme File - Producer: UC Mobile
How to open .UD file extension?

OmniPage User Dictionary - Producer: Nuance Communications
How to open .UDB file extension?

Dynamics AX User Database File - Producer: Microsoft
How to open .UDC file extension?

Adobe InDesign User Dictionary - Producer: Adobe Systems
How to open .UDCX file extension?

Universal Data Connection File - Producer: Microsoft
How to open .UDEB file extension?

Debian Package File - Producer: The Debian Project
How to open .UDF file extension?

Universal Disk Format File - Producer: Optical Storage Technology Association
How to open .UDK file extension?

Unreal Engine Map File - Producer: Epic Games
How to open .UDL file extension?

Microsoft Universal Data Link File - Producer: Microsoft
How to open .UDS file extension?

FIMware database file - Producer: UB Foundation Activities, Inc
How to open .UEA file extension?

Protector Suite QL Encrypted Archive - Producer: AuthenTec
How to open .UFO file extension?

Ulead File Object - Producer: Ulead
How to open .UFR file extension?

Ultra Fractal File - Producer: Frederik Slijkerman
How to open .UFS file extension?

FreeBSD Unix File System File - Producer: The FreeBSD Project
How to open .UFS.UZIP file extension?

Compressed Unix File System File - Producer: The FreeBSD Project
How to open .UHA file extension?

UHarc Compressed Archive - Producer: UHarc
How to open .UHTML file extension?

uHTML document file - Producer: N/A
How to open .UI file extension?

User Interface File - Producer: Nokia
How to open .UIBAK file extension?

UltraISO Backup Disk Image - Producer: EZB Systems
How to open .UIF file extension?

Universal Image Format Disc Image - Producer: MagicISO
How to open .UIS file extension?

WindowBlinds User Interface Specification - Producer: Stardock
How to open .UKX file extension?

Unreal Animation Package - Producer: Epic Games
How to open .ULAW file extension?

Raw u-Law Audio File - Producer: N/A
How to open .ULF file extension?

Universal List File - Producer: N/A
How to open .ULS file extension?

NetMeeting User Location Service File - Producer: Microsoft
How to open .ULT file extension?

UltraTracker Module - Producer: N/A
How to open .ULW file extension?

u-Law Audio File - Producer: N/A
How to open .ULZ file extension?

USBlyzer Data Capture File - Producer: USBlyzer
How to open .UMF file extension?

MediaHolder Universal Media Format File - Producer: GetMediaHolder.com
How to open .UML file extension?

UML Data Object Model - Producer: N/A
How to open .UMLCLASS file extension?

UML Class Model - Producer: N/A
How to open .UMOD file extension?

Unreal Tournament Module File - Producer: Epic Games
How to open .UMS file extension?

Rune 3D Mesh File - Producer: Human Head Studios
How to open .UMX file extension?

Deus Ex file - Producer: Eidos Interactive Ltd.
How to open .UNAUTH file extension?

SiteMinder Unauthorized Message File - Producer: Netegrity
How to open .UNI file extension?

MikMod UniMOD Module - Producer: N/A
How to open .UNITY file extension?

Unity Scene File - Producer: Unity Technologies
How to open .UNITY3D file extension?

Unity Web Player File - Producer: Unity Technologies
How to open .UNITYPACKAGE file extension?

Unity Package File - Producer: Unity Technologies
How to open .UNK file extension?

UVProbe file - Producer: N/A
How to open .UNKNOWN file extension?

Unknown File Type - Producer: N/A
How to open .UNL file extension?

Garmin Unlock File - Producer: Garmin
How to open .UNR file extension?

Unreal Level Map - Producer: N/A
How to open .UNT file extension?

AutoCAD Unit Definition File - Producer: Autodesk
How to open .UNX file extension?

Unix Text File - Producer: N/A
How to open .UOF file extension?

Uniform Office Document - Producer: N/A
How to open .UOP file extension?

Uniform Office Presentation - Producer: N/A
How to open .UOS file extension?

Uniform Office Spreadsheet - Producer: N/A
How to open .UOT file extension?

Uniform Office Document - Producer: N/A
How to open .UPD file extension?

Program Update Information - Producer: N/A
How to open .UPDATE file extension?

ISAPI Update File - Producer: EggCentric
How to open .UPDATR file extension?

iConomy Update File - Producer: Nijikokun
How to open .UPF file extension?

Nokia Phone digital photo file - Producer: Nokia
How to open .UPG file extension?

Firmware upgrade file - Producer: N/A
How to open .UPK file extension?

Unreal Engine 3 Package - Producer: Epic Games
How to open .UPOI file extension?

iGO Points of Interest File - Producer: Nav N Go
How to open .UPR file extension?

FileMaker user spelling dictionary - Producer: N/A
How to open .UPX file extension?

Ultimate Packer for eXecutables File - Producer: Markus Oberhumer
How to open .UQM file extension?

The Ur-Quan Masters Game Data File - Producer: The Ur-Quan Masters
How to open .URL file extension?

Internet Shortcut - Producer: N/A
How to open .URR file extension?

Uniface Signatures File - Producer: Compuware
How to open .URT file extension?

Utah Raster Toolkit File - Producer: N/A
How to open .USA file extension?

Microsoft Office headers file - Producer: Microsoft
How to open .USEQ file extension?

USeq Genome Data File - Producer: Huntsman Cancer Institute
How to open .USER file extension?

Visual Studio Project User Options File - Producer: Microsoft
How to open .USERPROFILE file extension?

Norton Antivirus User Profile File - Producer: Symantec
How to open .USERTILE-MS file extension?

Windows 8 User Tile File - Producer: Microsoft
How to open .USF file extension?

Nintendo 64 Music File - Producer: N/A
How to open .USFLIB file extension?

Nintendo 64 Song Library - Producer: N/A
How to open .USM file extension?

USM Game Video File - Producer: N/A
How to open .USR file extension?

FileMaker Pro Database File - Producer: FileMaker
How to open .UST file extension?

WiFi SiStr exported user theme file - Producer: DNsoft
How to open .USTAR file extension?

Uniform Standard Tape Archive Format File - Producer: N/A
How to open .USX file extension?

Unreal Static Meshes - Producer: Epic Games
How to open .UT2 file extension?

Unreal Tournament Map - Producer: Epic Games
How to open .UT2MOD file extension?

Unreal Tournament 2003/2004 Module File - Producer: Epic Games
How to open .UT3 file extension?

Unreal Tournament 3 Map File - Producer: Epic Games
How to open .UT4MOD file extension?

Unreal Tournament 2004 Module - Producer: Epic Games
How to open .UT8 file extension?

Ghost Master Language File - Producer: Sick Puppies
How to open .UTC file extension?

Bioware Creature File - Producer: BioWare
How to open .UTF8 file extension?

Unicode UTF8-Encoded Text Document - Producer: N/A
How to open .UTW file extension?

Unity Whirld File - Producer: Aubrey Falconer
How to open .UTX file extension?

Unreal Texture Package - Producer: Epic Games
How to open .UTXT file extension?

Unicode Text File - Producer: N/A
How to open .UTZ file extension?

UIQ Theme Package - Producer: UIQ Technology
How to open .UU file extension?

Uuencoded File - Producer: N/A
How to open .UUD file extension?

UUDecoded File - Producer: N/A
How to open .UUE file extension?

Uuencoded File - Producer: N/A
How to open .UVF file extension?

Uncertain Value Format - Producer: N/A
How to open .UVX file extension?

Unreal Tournament 2003 Saved Game - Producer: Epic Games
How to open .UW file extension?

Unsigned Word Audio File - Producer: N/A
How to open .UWF file extension?

UltraTracker Wave File - Producer: N/A
How to open .UWL file extension?

User Word List File - Producer: Corel
How to open .UXX file extension?

Unreal Tournament Cache - Producer: N/A
How to open .UZIP file extension?

FreeBSD Compressed Disk Image - Producer: Maxim Sobolev