File Extension Library

.MP21 File Extension

  • Developer by: AXMEDIS
  • Category: Video Files

What are .MP21 files and how to open them?

Can't open .MP21 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .MP21 file.

What is a .MP21 file extension?

.MP21 file extension is created by AXMEDIS. .MP21 has been classified as Video Files.

.MP21 is AXMEDIS MPEG-21 Object

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.

File Type 2 MPEG-21 Multimedia File
Category: Video Files

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.

List of all softwares that can open the MPEG-21 Multimedia File
Apple QuickTime Player
Apple QuickTime Player

How to fix problems with .MP21 files

  1. You need to update the application that you normally use to open .MP21 files. Only the latest version of the software supports the current .MP21 file format
  2. You need to check the .MP21 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)