AZW3 file

This page contains information on the AZW3 file extension (Amazon KF8 eBook File), a popular ebook file format

File extension	.azw3
Category	eBook File
Description	AZW3 - Kindle Format 8 (KF8) is Amazon's newer version of AZW. It supports HTML5 and CSS3 which were not supported through the standard AZW format. It has a number of other formatting options and is used by Amazon for all new Amazon eBooks. It is supported by fourth-generation Kindle devices running firmware version 4.1.0 or later and the Kindle Fire device.
Actions	Convert AZW3 file View other ebook file formats
Technical Details	KF8 (also called AZW3) is essentially a compiled ePub that has utlises a Palm database and Amazon's DRM scheme. It targets ePub 3 version support but existing ePub can also be used. The internal format has been decoded using mobi_unpack. The basic format remains as a PDB file similar in structure to a MOBI. More oftent than not a KF8 file will contain both a MOBI file at the beginning and the newer KF8 version of ePub later.
Associated programs	Kindle Fire Kindle Reader Kindle for Android Kindle for iOS
Developed by	Amazon
MIME type	application/octet-stream
Useful links	More Information on AZW3 Format EPUB to PDF Convert AZW3 file

Using Zamzar it is possible to convert AZW3 files to a variety of other formats