M21 file extension - MPEG-21 video file
What is m21 file? How to open m21 files?
File type specification:
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.
List of recommended software applications associated to the .m21 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux 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 player - programs that play m21 file - MPEG-21 video file
Click on the link to get more information about QuickTime Player for Mac for play m21 file action.