abcd文件扩展名，abcd文件怎么打开？

.abcd

文件类型：AudioVisual Book Data File

扩展名为.abcd的文件是一个数据文件。

文件说明：

Digital book containing text, audio, and video data; stored in an encrypted XML format; can also save highlighting, bookmarks, and annotations added by the user; used in education, corporate communication, and general reading.

AudioVisual books are sometimes called the DVDs of the book publishing industry..abcd                                                                      

打开.abcd文件

Mac OS

　

Windows

AV Books Publishers ABCD Reader　

Linux

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来源：. abcd文件