Quote:
Originally Posted by badbob001
Is there a way to rebuild a book into a copy and not alter the original? I like to not change the original just in case.
In my specific case, I wanted to take the original epub, make changes, and save the result into a new azw3 file. Since the rebuild will change the original epub, what I had to do is find the epub in the file system, make a copy of it, rebuild the book, convert the book to azw3, delete the updated epub, and finally copy back the original epub.
I just realized that an alternative is to first convert the original to another format and when using unpack, choose the new format.
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The solution is to convert the ePub to KF8 (AZW3). Then use Calibre's eBook editor to make the changes you want to the KF8 eBook. The ePub will not be changed.