Quote:
Originally Posted by tomsem
Kindles do not have support for ePub. You need to convert them to a Kindle format.
If using calibre, I would recommend converting to AZW3 or KFX (the latter requires KFX Output plugin and installation of Kindle Previewer 3) rather than MOBI. AZW3 is functionally the same as MOBI but about half the file size.
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Mobi is HTML3, no CSS, no embedded fonts and very basic. Only four Kindles are absolutely limited to mobi: K1, K2, DX and stupidly the DXG (because they didn't upgrade RAM).
The azw3 is basically similar to epub2, with a subset of HTML5 and older Kindles that didn't have azw3, apart from the 4 above can be updated to have azw3.
https://www.amazon.com/gp/help/custo...MQC26VQQMM8XSW
The K3 is the oldest that does azw3, i.e. publisher fonts, css etc, but didn't originally.
The azw3 is dramatically better than old mobi, which was already obsolete in 2007 when Amazon did the first Kindle. They bought Mobipocket, who had developed mobi, in 2005.
There is dual mobi, which is old mobo (kf7) and azw3 (kf8) in one file.
The kfX doesn't add much to reflowable novels.