mp21文件怎么看，mp21文件用什么打开？
mp21文件怎么看，mp21文件怎么打开？用什么打开？
.mp21
文件类型1：AXMEDIS MPEG-21 Object
文件说明：
Media file saved in the AXMEDIS content distribution format; may contain multiple types of media, such as images, video, and audio data; may also include metadata, and DRM copy-protection information.MP21 files are similar to .AXM files, but they used a more compressed format and can be opened more quickly; MP21 files can be created with AXMEDIS Editor and opened with AXMEDIS Player.
打开.mp21文件
Mac OS
Windows
AXMEDIS EditorAXMEDIS Player
Linux
其它内容
.mp21
文件类型2：MPEG-21 Multimedia File
文件说明：
Media storage format developed by the Moving Picture Experts Group (MPEG); based on a meta-box format that contains audio or video data referred to as the Digital Item; also includes metadata that describes the media.MPEG-21 files typically use the .M21 file extension.
打开.mp21文件
Mac OS
Apple QuickTime PlayerWindows
Apple QuickTime PlayerLinux
来源：.mp21文件
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