The M21 file extension is related to the MPEG-21 standard created by the Moving Picture Experts Group that defines a normative open framework for end-to-end multimedia creation, delivery and consumption.

Detailed description

Software that works with m21 file extension

Add comment

Bookmark & share this page with others:

M21 file extension - MPEG-21 video file

What is m21 file? How to open m21 files?

File type specification:

Digital video and movie file type icon Digital video and movie file type

The M21 file extension is associated with the MPEG-21 standard created by the Moving Picture Experts Group that defines a normative open framework for end-to-end multimedia creation, delivery and consumption that provides content creators, producers, distributors and service providers with equal opportunities in the MPEG-21 enabled open market, and also be to the benefit of the content consumers providing them access to a large variety of content in an interoperable manner.

The .m21 file stores video data.

Help how to open M21 files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension M21:

As far as we know, this .m21 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

MPEG-21 Overview

List of recommended software applications associated to the .m21 file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open m21 file, edit m21 file, convert m21 file, view m21 file, play m21 file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Play m21 file

m21 file players - programs that can play m21 file - MPEG-21 video file

Click on the link to get more information about listed programs for play m21 file action.

Microsoft Windows:

Apple macOS / Mac OS X:

Previous file extension
M1V file extension

File-Extensions.org > Digital video and movie file types

Next file extension
file extension M2P

 

Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed