Home : File Types : M21 File

.M21 File Extension

2 file types use the .m21 file extension.

File Type 1AXMEDIS MPEG-21 File

DeveloperAXMEDIS
Popularity
3.0 (3 Votes)
CategoryVideo Files
FormatN/A

What is an M21 file?

Media file created with the AXMEDIS Editor; saved in a packaged content distribution format and may contain multiple types of media; may also include descriptive metadata, and DRM copy-protection information.

More Information

AXMEDIS MPEG-21 files may also be saved with an .MP21 file extension.

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Programs that open M21 files
Windows
AXMEDIS Editor
AXMEDIS Player
Updated 9/22/2008

File Type 2MPEG-21 File

DeveloperN/A
Popularity
3.0 (1 Vote)
CategoryVideo Files
FormatN/A

.M21 File Association 2

Multimedia file format developed by the Moving Picture Experts Group (MPEG); uses a "meta-box" format that contains time-based media, such as audio and video data, as well as metadata that describes the contents of the file.

More Information

MPEG-21 may also include DRM information for copy-protection.

Programs that open M21 files
Updated 11/7/2007

About M21 Files

Our goal is to help you understand what a file with a *.m21 suffix is and how to open it.

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