.MP21 File Extension

There are 2 file types use the .MP21 file extension:

  1. AXMEDIS MPEG-21 Object
  2. MPEG-21 Multimedia File

1. AXMEDIS MPEG-21 Object

AXMEDIS MPEG-21 Object
  • Developer AXMEDIS
  • Popularity
    3.8 (8 votes)
  • Category Video Files
  • Format N/A

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.

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.

Software's name License Platforms
AXMEDIS Editor AXMEDIS Editor Windows
AXMEDIS Player AXMEDIS Player Windows

Updated: February 4, 2009

2. MPEG-21 Multimedia File

MPEG-21 Multimedia File
  • Developer N/A
  • Popularity
    2.3 (4 votes)
  • Category Video Files
  • Format N/A

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.

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

Software's name License Platforms
Apple QuickTime Player Apple QuickTime Player Freeware LinuxMacWindows

Updated: April 2, 2008

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