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The table below provides some useful information about the .m4u extension. It answers questions such as:

  • What is the .m4u file?
  • What program do I need to open a .m4u file?
  • Where can I find the specifications for .m4u?
  • How can I convert .m4u file to another format?

We hope you find this page helpful and a valuable resource.

Details of extension .m4u

1 extension(s) and 0 alias(es) found in database.

Warning Problems with .m4u files? First check your registry for hidden errors!

Extension: .m4u
Type: M4U Playlist File
Category: Video
Mime type: application/vnd.mpegurl
Description:
M4U file is an M4U Playlist. The playlist file is a plain text file that contains the locations of one or more MPEG-4 video files that the mediaplayer should play.
[Detailed description not yet available] [Download sample m4u]
Open with: QuickTime Player
Program name: QuickTimePlayer.exe
Related links:
none
Aliases:
none
Related extensions:
ajp, dvf, fpl, gvi, gvp, m2ts, m3u, m4a, m4b, modd, moff, mol, mp4, mpcpl, npl, npl, plp, pls, sdp, smi, svi, tod, wpl, xspf

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Cannot open .m4u files on your system?

FREE Registry Scan

When windows gives you an error message saying that it cannot open .m4u files, this means either:

  1. You need to identify a program that can open the file or
  2. Your registry may be damaged.

RECOMMENDED:
In both cases it is strongly recommended that you run a free scan for registry errors.

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