File Extension Library

.M4U File Extension

  • Category: Video Files
  • Format: Text

What are .M4U files and how to open them?

Can't open .M4U file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .M4U file.

What is a .M4U file extension?

.M4U file extension has been classified as Video Files. The format of .M4U file is Text

.M4U is MPEG-4 Playlist

Playlist used by some video player programs; contains links to MPEG-4 movies and video clips, but does not contain the video files themselves; similar to an .M3U file, which stores a playlist for .MP3 files.

How to fix problems with .M4U files

  1. You need to update the application that you normally use to open .M4U files. Only the latest version of the software supports the current .M4U file format
  2. You need to check the .M4U file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)