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.AZW3 File Extension

File TypeAmazon KF8 eBook File

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CategoryeBook Files


This file is saved in a binary format, which requires a specific program to read its contents.

What is a AZW3 file?

eBook created in the Kindle Format 8 (KF8), Amazon's successor to the .AZW format; supports newer features such as HTML5 and CSS3 support as well as many other formatting capabilities; often includes DRM protection; used as the download format for newer Amazon eBooks.

More Information

KF8 eBooks can be created with KindleGen, a free command line tool provided by Amazon. AZW3 files can be previewed with Kindle Previewer, a Kindle software simulator.

NOTE: KF8 eBooks also use the .MOBI extension. The format downloaded from the Amazon store, either AZW3 or MOBI, depends on the device being used to download and read the eBook.

Open over 300 file formats with File Viewer Plus.
Programs that open AZW3 files
Amazon Kindle for PC
Kindle Previewer
Amazon Kindle for Mac
Kindle Previewer
Updated 2/4/2013

.AZW3 Extension Information

This page contains information about the file extension AZW3 and its known file associations. Our goal is to help you understand what a *.azw3 file is and how to open it.

The Amazon KF8 eBook file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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