Thread: [Conversion Plugin] KFX Input
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Old 10-17-2022, 08:54 PM   #533
jhowell
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Join Date: Nov 2011
Location: Charlottesville, VA
Device: Kindles
Quote:
Originally Posted by marcvl View Post
Newbie question here. I'm getting error "Not implemented - KFX is a virtual book format and cannot be transferred from the device" error in Calibre when trying to add a KFX file to my library. Any thoughts on what I might be doing wrong? I'm using Calibre 6.7.1, KFX input plug in 1.49.0, DeDRM 10.0.3 and trying to transfer a KFX file from a USB connected Kindle Oasis on a Mac.
The section "Importing KFX books into calibre for conversion" in the first post in this thread describes a tweak you can set to allow calibre to import books from a Kindle in KFX format. However, as described in the section "DRM Concerns", you will not be able to import books in KFX format unless your Kindle is running firmware version 5.12.1 or earlier.

I suggest that you instead use the "Download and transfer via USB" function of Amazon's website to obtain your books in a more usable format. See Method 3 in the thread Dealing with Kindle for PC/Mac 1.19 and KFX in calibre for details.
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