File Extension
alphabetical list of extensions

Browse alphabetically - U

File extension The full name of the file Popularity
File extension U Unreal Tournament Class Package StarStarStar
File extension U10 UFile 2010 Tax Return StarStarStarStar
File extension U11 UFile 2011 Tax Return StarStarStar
File extension U12 UFile 2012 Tax Return StarStarStar
File extension U3D Universal 3D File StarStarStarStar
File extension U3I U3 Application Information File StarStarStar
File extension U3P U3 Smart Application StarStarStar
File extension U8 3D Lemmings Audio File Star
File extension UAX Unreal Audio Package StarStarStar
File extension UB Unsigned Byte Audio File StarStar
File extension UBJ Universal Binary JSON File StarStar
File extension UBOX Universe Sandbox Data File StarStarStar
File extension UC UnrealScript Class StarStarStar
File extension UC2 UltraCompressor 2 Archive Star
File extension UCCAPILOG Microsoft UCC API Log File StarStarStarStar
File extension UCE Windows UCE System File StarStar
File extension UCF WebEx Media File StarStarStarStar
File extension UCI UFS Explorer Backup File StarStarStar
File extension UCL Unreal Tournament cache file StarStar
File extension UCM Crazy Machines Model File Star
File extension UCT UC Browser Theme File StarStarStar
File extension UD OmniPage User Dictionary StarStar
File extension UDB Dynamics AX User Database File StarStarStar
File extension UDC Adobe InDesign User Dictionary StarStarStar
File extension UDCX Universal Data Connection File StarStarStar
File extension UDEB Debian Package File StarStar
File extension UDF Universal Disk Format File StarStar
File extension UDK Unreal Engine Map File StarStarStarStar
File extension UDL Microsoft Universal Data Link File StarStarStar
File extension UDS FIMware database file StarStar
File extension UEA Protector Suite QL Encrypted Archive StarStar
File extension UFO Ulead File Object StarStar
File extension UFR Ultra Fractal File StarStarStar
File extension UFS FreeBSD Unix File System File Star
File extension UFSUZIP Compressed Unix File System File StarStar
File extension UHA UHarc Compressed Archive StarStarStar
File extension UHTML uHTML document file StarStar
File extension UI User Interface File StarStarStar
File extension UIBAK UltraISO Backup Disk Image StarStarStar
File extension UIF Universal Image Format Disc Image StarStarStar
File extension UIS WindowBlinds User Interface Specification StarStarStar
File extension UKX Unreal Animation Package StarStarStar
File extension ULAW Raw u-Law Audio File StarStar
File extension ULF Universal List File StarStarStar
File extension ULS NetMeeting User Location Service File StarStarStar
File extension ULT UltraTracker Module StarStarStar
File extension ULW u-Law Audio File Star
File extension ULZ USBlyzer Data Capture File StarStarStar
File extension UMF MediaHolder Universal Media Format File StarStar
File extension UML UML Data Object Model StarStarStar
File extension UMLCLASS UML Class Model StarStar
File extension UMOD Unreal Tournament Module File StarStarStar
File extension UMS Rune 3D Mesh File Star
File extension UMX Deus Ex file StarStarStar
File extension UNAUTH SiteMinder Unauthorized Message File StarStarStar
File extension UNI MikMod UniMOD Module StarStarStar
File extension UNITY Unity Scene File StarStarStarStar
File extension UNITY3D Unity Web Player File StarStarStarStar
File extension UNITYPACKAGE Unity Package File StarStarStar
File extension UNK UVProbe file Star
File extension UNKNOWN Unknown File Type StarStarStar
File extension UNL Garmin Unlock File StarStar
File extension UNR Unreal Level Map StarStarStar
File extension UNT AutoCAD Unit Definition File StarStar
File extension UNX Unix Text File StarStarStar
File extension UOF Uniform Office Document StarStar
File extension UOP Uniform Office Presentation StarStarStar
File extension UOS Uniform Office Spreadsheet StarStarStar
File extension UOT Uniform Office Document StarStarStar
File extension UPD Program Update Information Star
File extension UPDATE ISAPI Update File StarStar
File extension UPDATR iConomy Update File Star
File extension UPF Nokia Phone digital photo file StarStar
File extension UPG Firmware upgrade file StarStarStar
File extension UPK Unreal Engine 3 Package StarStarStarStar
File extension UPOI iGO Points of Interest File StarStarStar
File extension UPR FileMaker user spelling dictionary StarStarStar
File extension UPX Ultimate Packer for eXecutables File StarStar
File extension UQM The Ur-Quan Masters Game Data File Star
File extension URL Internet Shortcut StarStarStar
File extension URR Uniface Signatures File Star
File extension URT Utah Raster Toolkit File Star
File extension USA Microsoft Office headers file StarStarStar
File extension USEQ USeq Genome Data File StarStarStar
File extension USER Visual Studio Project User Options File StarStar
File extension USERPROFILE Norton Antivirus User Profile File StarStarStar
File extension USERTILE-MS Windows 8 User Tile File Star
File extension USF Nintendo 64 Music File StarStarStar
File extension USFLIB Nintendo 64 Song Library StarStarStar
File extension USM USM Game Video File StarStarStar
File extension USR FileMaker Pro Database File StarStarStar
File extension UST WiFi SiStr exported user theme file StarStarStar
File extension USTAR Uniform Standard Tape Archive Format File Star
File extension USX Unreal Static Meshes StarStarStar
File extension UT2 Unreal Tournament Map StarStarStar
File extension UT2MOD Unreal Tournament 2003/2004 Module File StarStarStar
File extension UT3 Unreal Tournament 3 Map File StarStarStar
File extension UT4MOD Unreal Tournament 2004 Module StarStarStar
File extension UT8 Ghost Master Language File Star
File extension UTC Bioware Creature File StarStarStar
File extension UTF8 Unicode UTF8-Encoded Text Document StarStarStar
File extension UTW Unity Whirld File StarStar
File extension UTX Unreal Texture Package StarStarStar
File extension UTXT Unicode Text File StarStarStar
File extension UTZ UIQ Theme Package StarStarStarStar
File extension UU Uuencoded File StarStarStar
File extension UUD UUDecoded File StarStar
File extension UUE Uuencoded File StarStarStarStarStar
File extension UVF Uncertain Value Format StarStarStar
File extension UVX Unreal Tournament 2003 Saved Game StarStarStar
File extension UW Unsigned Word Audio File StarStarStar
File extension UWF UltraTracker Wave File StarStarStar
File extension UWL User Word List File StarStarStarStar
File extension UXX Unreal Tournament Cache StarStarStar
File extension UZIP FreeBSD Compressed Disk Image StarStar