Quote:
Originally Posted by jhowell
Amazon will not accept books in KFX format via email. They must be sideloaded. See the "Usage" section in the first post of this thread for instructions.
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thanks for quick reply and sorry for, in fact, dumb question. I missed that RTFM part

So, no cloud backup for KFX.
I was hoping I can use this new "show cover" option by converting to KFX and sending via email.