Thread: can't add .AZW3F files to Calibre
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Old 04-23-2015, 06:19 AM   #2
darryl
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Join Date: Nov 2011
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See the link at http://www.file-extensions.org/azw3f-file-extension

An azw3f does not contain a book. It typically resides within the .sdr directory on the Kindle, and apparently it holds metadata for the corresponding .azw3 file.
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