AZW3R file - How do I open a .azw3r file?
The table below provides useful information about the .azw3r file extension. It answers questions such as:
- What is the .azw3r file?
- What program do I need to open a .azw3r file?
- How can the .azw3r file be opened, edited or printed?
- How can I convert .azw3r files to another format?
Table of Contents
- ✅ Amazon Kindle Format 8 Ebook Metadata
- 🔄 .azw3r file converters
- 🚫 .azw3r file related errors
We hope you find this page helpful and a valuable resource!
1 extension(s) and 0 alias(es) found in database
✅ Amazon Kindle Format 8 Ebook Metadata

The AZW3R file is an Amazon Kindle Format 8 Ebook Metadata. The Kindle Fire introduced the Kindle Format 8 Ebook (KF8). KF8 supports a subset of HTML5 and CSS3 features, while also acting as a container for a backwards-compatible MOBI content document.
Other types of files may also use the .azw3r file extension.
🚫 The .azw3r file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .azw3r file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.azw3r
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .azw3r file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .azw3r file extension, write to us!