File extension M21

File extension M21

21 January, 2015

How to open M21 file format? (MPEG-21 File)

Problems with opening M21 files occur very often among users. Unfortunately, not everyone is aware that the basic and usually the most common problem is the lack of an installed software to handle the M21 file. Its full name is MPEG-21 File and the company responsible for its development is N/A. Your M21 file has probably an encoded information from the Video Files category. If you want to view its contents, open, edit or convert the M21 file to another format, install one of the applications from the list, which is presented below on this page. Can’t you still open your M21 file? Please, visit m21 where you will find more information.

Category Developer/Producer Software
Video Files N/A MPEG-21 File

Programs using this file extension

Windows
– QuickTime Player

Mac OS
– QuickTime Player

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