The Enhanced Typesetting features of Kindle reading apps/devices are only available for books in KFX format, either delivered by Amazon or sideloaded. KFX can be produced using the KFX Output plugin, and AZW3 and EPUB work equally well as the source format if the conversion is done within calibre.
You don't give a location in your profile, but if you are in the US then OverDrive should give you the option of having your loans fulfilled by Amazon as Kindle books. That will give you the best format available for your device without having to perform the ethically questionable (in my opinion) removal of DRM from books that you do not own.
Last edited by jhowell; 02-01-2019 at 06:56 PM.
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