File Extension M4U

Determine which application is associated with .M4U files.

You can click here to run a free scan for M4U related errors.

About the M4U file type:

If Windows cannot find the appropriate program associated with .M4U files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).

MPEG-4 Playlist

Windows cannot open M4U files?

When Windows cannot determine which application to use to open M4U files this can be caused because:

1. You do not have the appropriate program installed.
2. You may have a registry related error.

SOLUTION:

We strongly recommend that you run a free registry scan for related errors.

File extension: .M4U

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M4U
M4V
M68
M7
M75
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MA
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