A u file extension is related to the AU audio file format developed by Sun Microsystems.

There are 4 other file types using
the U file extension!

empty icon.u - Subsampled raw YUV bitmap image

empty icon.u - Unreal application pack

empty icon.u - Nitpicker IP flow file

empty icon.u - Unreal Tournament game data

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U file extension - AU audio

What is u file? How to open u files?

File type specification:

Audio and sound file type icon Audio and sound file type

The u file extension is associated with the AU audio file format.

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

AU files typically use the au extension.

This u file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open u file:

Microsoft Windows Media Player icon

Microsoft Corporation logoMicrosoft Windows Media Player  Microsoft Windows software

Company or developer:
Microsoft Corporation

Microsoft Windows Media Player is default multimedia player installed in Microsoft Windows. WMP can manage music, videos and pictures in computer, play or view them, sync them with portable devices, or burn them on CD/DVD media. It also supports home media sharing with other computers.

Help how to open:

Use compatible tools to work with *.u files.

How to convert:

As far as we know, this .u file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .u file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open u file, edit u file, convert u file, view u file, play u file etc. (if exist software for corresponding action in File-Extensions.org's database).

u file player - programs that play u file - AU audio

Programs supporting the exension u on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for play u file action.

Microsoft Windows:

Main software associated with u file by default:
Microsoft Windows Media Player small icon Microsoft Windows Media Player
Other suggested software:
RealPlayer small icon RealPlayer

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