AAB file: How can I open a .AAB file?
The table below provides useful information about the .aab file extension. It answers questions such as:
- What is the .aab file?
- What program do I need to open a .aab file?
- How can the .aab file be opened, edited or printed?
- How can I convert .aab files to another format?
We hope you find this page helpful and a valuable resource.
✅ Adobe Authorware Binary Map

The AAB file is an Adobe Authorware Binary Map. Authorware is a visual authoring tool for creating rich-media e-learning applications for delivery on corporate networks, CD/DVD, and the Web.
✅ Android App Bundle Data

The AAB file is an Android App Bundle Data. Android is a mobile operating system based on a modified version of the Linux kernel and other open source software, designed primarily for touchscreen mobile devices such as smartphones and tablets.
⚠ Be careful with .aab files.
It's important to know that the .aab file extension can be used by various programs, not just the ones you expect. This includes potentially harmful software or malware that might create .aab files. Be cautious when dealing with .aab files from unknown sources.
🚫 The .aab 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 .aab 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:
Select an app to open this .aab file
It means that the operating system does not have a default app associated with the .aab file type. To resolve this issue and open the file, you can take the following steps:
- Right-click on the .aab file. A context menu will appear.
- From the context menu, select Open with. Windows will display a list of recommended apps.
- If the desired app is listed, select it from the provided options.
- If you cannot find the appropriate app, you may need to install software that supports the specific file type.
If you don't know how to change the default app for the .aab file, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. The extension of a file serves as a hint to the operating system and various software programs about the type of data contained within the file. When you alter a file's extension, you essentially modify how software applications interpret and handle that file. Every file has a specific format, also known as its file type or file format. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .aab file extension, write to us.