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

Problems with opening M21 files occur very often among users. Nanešťastie, 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. Ak chcete zobraziť obsah, otvorený, edit or convert the M21 file to another format, nainštalovať niektorú z aplikácií zo zoznamu, ktorá je uvedená nižšie na tejto stránke. Can’t you still open your M21 file? Prosím,, návšteva m21 kde nájdete viac informácií.

Programy používajúce tento príponu súboru

Windows
– QuickTime Player

Mac OS
– QuickTime Player