The X

2 files use the extension of M21

.M21

AXMEDIS MPEG-21 File

Classification:video file
Media file created with the AXMEDIS Editor; saved in a packaged content distribution format and may contain multiple types of media; may also include descriptive metadata, and DRM copy-protection information.

instruction:

AXMEDIS MPEG-21 files may also be saved with an .MP21 file extension.

M21(AXMEDIS MPEG-21 File) related software:

Windows

2 software

发送 E5379 至公众号 IT小技巧 查看软件名称。
.M21

MPEG-21 File

Classification:video file
Multimedia file format developed by the Moving Picture Experts Group (MPEG); uses a "meta-box" format that contains time-based media, such as audio and video data, as well as metadata that describes the contents of the file.

instruction:

MPEG-21 may also include DRM information for copy-protection.

M21(MPEG-21 File) related software:

Windows

1 software

Linux

1 software

发送 E5380 至公众号 IT小技巧 查看软件名称。