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Data Formats and File Extensions: U

Find data file formats and file extensions that start with the letter U, or view thousands of file extensions and file formats in the complete list.

With literally thousands of data file formats employed by Windows and Window-based apps, keeping track of all the file extensions employed by your software applications and programs can be quite a challenge. Fortunately, Webopedia's Complete List of Data File Formats and File Extensions makes it quick and easy to sift through thousands of file extensions and data file formats to find exactly what you need. You can peruse the full list or search for data formats and file extensions based on the letter they start with from the table below.

Number  Symbol  A  B  C  D  E  F  G  H  I  J  K 
L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  Full List

 

  Data File Formats that Begin with the Letter 'U'

.uaxUnreal Audio file
.ubAudio file (unsigned byte)
.uc2Compressed file archive created by UltraCompressor II (uc2.zip)
.ucnNew compressed file archive created by UltraCompressor II
.ucsUniversal Classification Standard Database file
.udcAcrobat Spelling file
.udfFilter (Photostyler)
.udlMS Data Link
.udsSierra Generations Family file
.ue2Encrypted file archive created by UltraCompressor II
.ufoUlead PhotoImpact Graphic file
.uhaUHARC Compressed Archive file
.uhsUniversal Hint System (binary file)
.uiEspire source code file (Geoworks UI Compiler)
User interface (Sprint)
.uifMagicISO Disc Image file
Long prompts for windows (WordPerfect for Win)
.uihEspire header file (Geoworks UI Compiler)
.uisWindowBlinds (Copyright Neil Banfield & Stardock.net, Inc.)
.ulUlaw audio file
.uldInformation about uploaded files (Procomm Plus)
.ultMusic (UltraTracker)
.umbBackup file (MemMaker)
.umdUniversal Media Disc file
.umfStockmoves, MOTEK BV
.umxUnreal music file
.uniUnimod music module (MIKMOD)
Datafile (Forecast Pro)
.unlGarmin Unlock file
.unqFax View file
.uns2Ultra Notes Backup file
.unxText file containing UNIX specific info
.updProgram update info
Update data (dBASE)
.upgFirmware Upgrade file
.upoCompiled update data (dBASE)
.upxULead Photo Express Saved Image file
.urlUniform Resource Locator (Internet shortcut)
.urlsGetRight URL List file
.usbD-Link FM Radio Update
USB Protocol Analyzer Trace
.userVisual Studio User Options file
.uspPrinter font with USASCII extended character set (PageMaker)
.usrUser database file (Procomm Plus - Turbo C++ tour)
.utfAOL Updating Files
.utlSound file
.utxUnreal Engine Texture file
Unicode file
.uuCompressed ASCII file archive created by UUDE/ENCODE
.uueCompressed ASCII file archive created by UUENCODE (uuexe515.exe)
.uvfCSV (comma separated value) format. Used by Netica
.uvrUlead Cool 360 Viewer file
.uwAudio file (unsigned word)
.uwlWordPerfect User Word List file

Recommended Reading: An Introduction to Data File Formats and Their File Extensions

Number  Symbol  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z  Full List

 










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