Quote:
Originally Posted by rosagami
- EPUB (.EPUB) (ya no es compatible con las últimas funciones de Kindle para documentos)
- MOBI (.AZW, .MOBI) (ya no es compatible con las últimas funciones de Kindle para documentos)
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The translation of the notes for EPUB and MOBI that I get is "no longer supports the latest Kindle features for documents" which does not mean totally unsupported. Features like the font boldness slider are are not available in MOBI format.
It is interesting that an
English version of the help page that the customer service person cut/pasted only has that comment for MOBI, not EPUB. And actually the Spanish version is more correct. Sending an EPUB results in KF8 format being delivered to newer devices (except for the Kindle Scribe), however most purchased books are in KFX format with additional features. For example the choice between ragged right margin or justified on Kindles and continuous scrolling in Kindle apps.
In any case, Amazon does not provide an explanation of why an EPUB is rejected. Depending on the source of the EPUB it may have DRM or otherwise be incompatible with conversion to Kindle formats. I recommend installing and using the
Kindle Previewer, a tool Amazon provides to publishers in order to check for compatibility. The error messages it provides when a book fails are not great, but better than nothing. Another good tool is the
calibre ebook editor along with the
EpubCheck plugin. Those can provide more useful error messages, however they do not check for some things that can cause rejection by Amazon.