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