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MPG4 file extension

The table below provides useful information about the .mpg4 file extension. It answers questions such as:

  • What is the .mpg4 file?
  • What program do I need to open a .mpg4 file?
  • How can the .mpg4 file be opened, edited or printed?
  • How can I convert .mpg4 files to another format?
  • Where can I find the specifications for .mpg4?
  • Which MIME-type is associated with the .mpg4 extension?

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

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

.mp4 file extension details

Mpeg-4 Video Container

Mpeg-4 Video Container .mp4 file icon
MP4 file is an Mpeg-4 Video Container. It is the global file extension for the official container format defined in the MPEG-4 standard. This format allows you to combine different multimedia streams (most of the time audio and video) into one single file.
Category: Video files
Application: Windows Media Player
Mime-type: video/mp4
Magic number: -
Magic string: -
Sample: -
MP4 aliases:
mp4v, mpeg-4, mpeg4, mpg4, mpv4, mv4
MP4 related links:
MP4 related extensions:
Microsoft Video for Windows Movie

QuickTime Movie

Mpeg Video

Multimedia Viewer Book

RealMedia File

3GP Video File

Advanced Systems Format Media

Digital Video

Adobe Flash Video File

Indeo Video File

Other types of files may also use the .mpg4 file extension.

.mpg4 file extension error

The .mpg4 file extension is often given incorrectly!

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

mg4, mp4, mpg

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Band-in-a-Box Song
Mpeg-4 Video Container
Mpeg Video
Mpeg-4 Audio
open .mpg4 file

Can't open a .mpg4 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 .mpg4 file association, check the FAQ.

.mpg4 file extension

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 .mpg4 file extension, write to us!

.mpg4 file extension

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