Thread: Kindle ebooks in the Calibre Library folder
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Old 08-14-2023, 08:58 PM   #5
DNSB
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Quote:
Originally Posted by romad View Post
Second, since the newer Kindle ebooks are basically ePubs now, what is the best way to convert them to the older MOBI format? Use the AZW3 file as the source or the ePub file created during conversion?
The fewer conversions the better. So if for whatever reason you want a .mobi file, convert it directly from original source. If you have a dual mobi (contains both mobi and KF8 versions) you can use KindleUnpack to extract the .mobi. My personal preference if converting KF8/azw3 to ePub is to use KindleUnpack and only using calibre e-book converter as a fallback if the original file is so hooped that KindleUnpack will not work on it.

As others have pointed out, .mobi is an old format with little formatting control. ePub and Amazon's fork of it as KF8/azw3 are newer and better formats. KF8/azw3 is what you should be sending directly to your Kindle unless it is an antique that does not support KF8/azw3.
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