The X

1 files use the extension of ABCD

.ABCD

AudioVisual Book Data File

Classification:data file
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.

instruction:

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

ABCD(AudioVisual Book Data File) related software:

Windows

1 software

发送 E238 至公众号 IT小技巧 查看软件名称。