File Extension Library

.AZW3R File Extension

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

What is an .AZW3R file?

.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 Open .AZW3R file on different platforms

Open .AZW3R File on Windows

  • Right-click a .AZW3R
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .AZW3R file and Select check box "Always use this app to open .AZW3R files" Press "Ok"

Open .AZW3R File on Mac

  • Right-click (or Ctrl + Left-click) the .AZW3R file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .AZW3R File on Linux

Right click on the .AZW3R file, choose "Open with" and select a program from the list above

Open .AZW3R File on iPhone

Select a file. If you don't see an application to open the .AZW3R file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .AZW3R File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .AZW3R files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

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.)