.bkk文件扩展名，.bkk文件如何打开？

.bkk

文件类型：BookBuddi eBook File

扩展名为.bkk的文件是一个数据文件。

文件说明：

Electronic book format that can be read back using Microsoft Text to Speech Agent; may include multiple pages and may contain images as well as text; when text is being read the current section is highlighted and each page is turned automatically..bkk                                                                    

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