Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .m3u

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

Below, you can find answers to the following questions:

  • What is the .m3u file?
  • Which program can create the .m3u file?
  • Where can you find a description of the .m3u format?
  • What can convert .m3u files to a different format?
  • Which MIME-type is associated with the .m3u extension?
M3U Playlist File .m3u file icon

M3U Playlist File

M3U playlist file is a plain text file that contains the locations of one or more media files that the mediaplayer should play.
Category: Audio files
Application: Windows Media Player
Program name: mplayer.exe
Mime-type: text/plain
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Nokia Playlist
Multimedia Playlist
Session Description Protocol File
Windows Media Player Playlist
Synchronized Multimedia Integration Language
M4U Playlist File
Google Video Pointer
Media Player Classic Playlist
Foobar2000 Playlist

Other types of files may also use the .m3u file extension. If you have helpful information about .m3u extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Modula-3 Source Code
StarCraft 2 Model Data
IBM Voice Type Languages Newuser Data
Moldex3D Solid Project
Interactive Digital Content
MS-DOS Shell Menu Group Data
MuPAD Source Code
Myriad Packed Musical Score

The .m3u filename extension is often given incorrectly!

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

mu3 (1), mru (1), m3k (1), m3h (1), mu (1), meu (1), m3j (1), m3 (1)

Can't open a .m3u file?

If you want to open a .m3u file on your computer, you just need to have the appropriate program installed. If the .m3u association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.m3u

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android