.M21 File Extension
2 file types use the .m21 file extension.
AXMEDIS MPEG-21 File
| Developer | AXMEDIS |
| Popularity |
3.0 | 3 Votes |
| Category | Video Files |
| Format | N/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.
Programs that open M21 files
Windows
AXMEDIS Editor
AXMEDIS Player
MPEG-21 File
| Developer | N/A |
| Popularity |
3.0 | 1 Vote |
| Category | Video Files |
| Format | N/A |
What is an M21 file?
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
Mac
Included with OS