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dwig · 06-15-2012, 10:00 AM

check out http://www.amazon.com/gp/feature.htm...reative=390957

It's the "new" MOBI format and can have any of several extensions including MOBI and AZW. It is not compatible with most existing Kindle devices currently (2012/06) in use. It is compatible with the current devices, provided they've been updated to the newest firmware, and with the current Kindle apps for Mac, Win, Android, and iOS. Whereas the classic MOBI format was based on HTML3.2, KF8 is based on HTML5/CSS3 so conversion from the current ePub format (HTML4.01/CSS2 based) results in few formatting issues.

Amazon's tool for creation is KindleGen, either standalone or as part of Kindle Previewer. These files are hybrid files containing both a KF8 segment and a classic MOBI segment. The newest releases of calibre can also create KF8 files.

06-15-2012, 10:00 AM	#2
dwig Wizard Posts: 1,613 Karma: 6718479 Join Date: Dec 2004 Location: Paradise (Key West, FL) Device: Current:Surface Go & Kindle 3 - Retired: DellV8p, Clie UX50, ...	check out http://www.amazon.com/gp/feature.htm...reative=390957 It's the "new" MOBI format and can have any of several extensions including MOBI and AZW. It is not compatible with most existing Kindle devices currently (2012/06) in use. It is compatible with the current devices, provided they've been updated to the newest firmware, and with the current Kindle apps for Mac, Win, Android, and iOS. Whereas the classic MOBI format was based on HTML3.2, KF8 is based on HTML5/CSS3 so conversion from the current ePub format (HTML4.01/CSS2 based) results in few formatting issues. Amazon's tool for creation is KindleGen, either standalone or as part of Kindle Previewer. These files are hybrid files containing both a KF8 segment and a classic MOBI segment. The newest releases of calibre can also create KF8 files.