.MP21 File Extension

2 file types use the .mp21 file extension.

AXMEDIS MPEG-21 Object

Developer AXMEDIS
Popularity
3.3  |  6 Votes
 

What is an MP21 file?

Media file saved in the AXMEDIS content distribution format; may contain multiple types of media, such as images, video, and audio data; may also include metadata, and DRM copy-protection information.

More Information

MP21 files are similar to .AXM files, but they used a more compressed format and can be opened more quickly. MP21 files can be created with AXMEDIS Editor and opened with AXMEDIS Player.

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Programs that open MP21 files

Windows
AXMEDIS Editor
AXMEDIS Player

MPEG-21 Multimedia File

Developer N/A
Popularity
1.8  |  5 Votes
 

Media storage format developed by the Moving Picture Experts Group (MPEG); based on a "meta-box" format that contains audio or video data referred to as the "Digital Item;" also includes metadata that describes the media.

More Information

MPEG-21 files typically use the .M21 file extension.

Programs that open MP21 files

Mac
Apple QuickTime Player
Included with OS

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