The .mp21 file extension is related to the MPEG-21 a a normative open framework for end-to-end multimedia creation, delivery and consumption.
Software that open mp21 file
MP21 file extension - MPEG-21 multimedia file
What is mp21 file? How to open mp21 files?
File type specification:
The MP21 file extension is associated with the MPEG-21 standard, from the Moving Picture Experts Group, aims at defining an open framework for multimedia applications. The .mp21 file is a container used to store multimedia data.
List of recommended software applications associated to the .mp21 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mp21 file, edit mp21 file, convert mp21 file, view mp21 file, play mp21 file etc. (if exist software for corresponding action in File-Extensions.org's database).
mp21 file player - programs that play mp21 file - MPEG-21 multimedia file
Programs supporting the exension mp21 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about QuickTime Player for Mac for play mp21 file action.