File Extension Library

.AZW3R File Extension

  • Developer by:, Inc.
  • Category: Various data Files

What are .AZW3R files and how to open them?

Can't open .AZW3R file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .AZW3R file.

What is a .AZW3R file extension?

.AZW3R file extension is created by, Inc.. .AZW3R has been classified as Various data Files.

.AZW3R is Amazon Kindle metadata

The azw3r file extension is mainly related to Amazon Kindle e-books and used for some sort of metadata file for standard azw3 file.

Typically located within .sdr subfolder, these file have the same file name as the main *.azw3 e-book.

How to open:

These files are not meant to be accessed directly. They just contain data for the main ebook.

How to convert:

As far as we know, this .azw3r file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .AZW3R files

  1. You need to update the application that you normally use to open .AZW3R files. Only the latest version of the software supports the current .AZW3R file format
  2. You need to check the .AZW3R file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)