m4r是什么意思，m4r文件怎么打开？

m4r文件扩展名，m4r文件怎么打开？

.m4r

文件类型：iPhone Ringtone File

扩展名为.m4r的文件是一个音频文件。

文件说明：

Custom iPhone ringtone created with iTunes; can only be created from songs purchased from the iTunes music store that allow ringtone creation; automatically transferred to the iPhone when the phone is synced with the computer using Apple iTunes.

NOTE:

M4R files created with third-party software programs or downloaded from the Internet may not include copy protection; these files may be played by other programs such as VLC media player..m4r

打开.m4r文件

Mac OS

Apple iTunes　

Windows

Apple iTunes　

Linux

其它内容

来源：.m4r文件

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