A daily updated filename extension database!

M4U file extension

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

  • What is the .m4u file?
  • What program do I need to open a .m4u file?
  • How can the .m4u file be opened, edited or printed?
  • How can I convert .m4u files to another format?

Table of Contents

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

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

✅ M4U Playlist File

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.
M4U format description not yet available
Category: Video files
Application: QuickTime Player
Mime-type: application/vnd.mpegurl
Magic number: -
Magic string: -
M4U aliases:
M4U related links:
M4U related extensions:
Mpeg-4 Video Container

M3U Playlist File

Mpeg-4 Audio

Nokia Playlist

Multimedia Playlist

Session Description Protocol File

Windows Media Player Playlist

Synchronized Multimedia Integration Language

Google Video Pointer

Google Video

Other types of files may also use the .m4u file extension.

🚫 The .m4u file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

m4, m4i, meu, mtu, mu

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Match! User Database
M4 Macro File
MS-DOS Shell Menu Group Data
MuPAD Source Code
IBM Voice Type Languages Newuser Data

🔴 Can't open a .m4u file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .m4u file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .m4u file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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