MPEG-21 Format
N/A
Video Files
mime-type/not-avalible
11/15/2021
Files with the M21 extension are found in 2 operating systems which include Mac OS, Windows. QuickTime Player is a very common application as a tool for handling M21 files. The developer of this program is Apple, Inc.. The programs are also compatible with M21 files and can be used to open them.
M21 files fall under the Video Files category. 546 file types are given the M21 extension, but most often they are not compatible and you must use a different application to handle each of them. The MPEG-21 Format file format and the QuickTime Player program were developed by N/A. This particular MPEG-21 Format file was most likely generated by the QuickTime Player program.
We provide some of the most important tools for working with the M21 file. They will help you use your M21 file in the way you want. You will be able to open, preview, edit or convert your M21 file.
M21 opener is a very popular tool among our users. Here you will find a way to open your unknown M21 file. Opening the M21 file is just the beginning. Other file operations can be the next step.
The M21 Viwer tool helps to preview the contents of a file without the need to install dedicated software. Click on the subpage and use the form to select the file. Then our Tool will show you the contents of the file.
Try to convert the M21 file to a different format if problems arise while working with the M21 file. The M21 file converted to the new format may have more options for editing or processing the data contained in it.
M21 editor allows you to edit the data contained in the file. It may happen that you will not have the full edit option and you will need to install software dedicated to making changes to the M21 file. Check out our M21 file editor page and learn about the possibilities
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