.U File Extension

There are 2 file types use the .U file extension:

  1. Unreal Tournament Class Package
  2. AU Audio File

1. Unreal Tournament Class Package

Unreal Tournament Class Package
  • Developer Epic Games
  • Popularity
    3.7 (23 votes)
  • Category Game Files
  • Format Binary

Contains settings used by Unreal Tournament; stored within the Unreal System directory, i.e. "\Unreal\System\Engine.u;" may be replaced with custom class packages.

Software's name License Platforms
Dragon UnPACKer Dragon UnPACKer Open Source MacWindows
Epic Games Unreal Tournament Epic Games Unreal Tournament Commercial MacWindows
Epic Games UnrealEd Epic Games UnrealEd Commercial MacWindows
Unreal Tournament Package Tool Unreal Tournament Package Tool Free Windows

Updated: July 27, 2012

2. AU Audio File

AU Audio File
  • Developer N/A
  • Popularity
    3.3 (6 votes)
  • Category Audio Files
  • Format N/A

Audio container format typically used to store ?-law encoded audio data; introduced by Sun Microsystems and also used by MusicKit for the NeXT operating system; contains a header that includes six 32-bit words, an optional information section, then the audio data.

AU files typically use the .AU extension.

Software's name License Platforms
Apple QuickTime Player Apple QuickTime Player Freeware LinuxMacWindows
Microsoft Windows Media Player Microsoft Windows Media Player Bundled Windows

Updated: July 6, 2014

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