AAR file - How do I open a .aar file?
The table below provides useful information about the .aar file extension. It answers questions such as:
- What is the .aar file?
- What program do I need to open a .aar file?
- How can the .aar file be opened, edited or printed?
- How can I convert .aar files to another format?
Table of Contents
- ✅ Android Library Project
- ✅ Apache Axis2 Service Archive
- 🔄 .aar file converters
- 🚫 .aar file related errors
We hope you find this page helpful and a valuable resource!
2 extension(s) and 0 alias(es) found in database
✅ Android Library Project

The AAR file is an Android Library Project. The AAR bundle is the binary distribution of an Android Library Project.
✅ Apache Axis2 Service Archive

The AAR file is an Apache Axis2 Service Archive. Apache Axis is a SOAP toolkit that makes it easy to create, deploy, and consume web services.
Other types of files may also use the .aar file extension.
🚫 The .aar 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 .aar 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.aar
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 .aar 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 .aar file extension, write to us!