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jhowell · 09-30-2017, 11:22 AM

When the Previewer says Enhanced Typesetting is supported that means that the book will be made available to customers in KFX format if you publish it on Amazon. In order to determine this the Previewer actually converts the book to KFX internally, but for technical reasons it does not allow that format to be exported.

The MOBI file you can export from the Previewer is a Master MOBI which contains both the old MOBI format and the newer KF8 (azw3) format, both in the same file.

09-30-2017, 11:22 AM	#2
jhowell Grand Sorcerer Posts: 7,101 Karma: 92190113 Join Date: Nov 2011 Location: Charlottesville, VA Device: Kindles	When the Previewer says Enhanced Typesetting is supported that means that the book will be made available to customers in KFX format if you publish it on Amazon. In order to determine this the Previewer actually converts the book to KFX internally, but for technical reasons it does not allow that format to be exported. The MOBI file you can export from the Previewer is a Master MOBI which contains both the old MOBI format and the newer KF8 (azw3) format, both in the same file. Last edited by jhowell; 09-30-2017 at 11:29 AM.