AAC File Extension

Advanced Audio Coding Format

File Type aac
Popularity
4.2 (38 votes)
Application Adobe Soundbooth
Category Audio Files
Format Binary

What is a AAC file?

The AAC extension is related to Advanced Audio Coding Format and is classified in the Audio Files category, which contains 667 files.

AAC file support extends to various operating systems, including Windows, Mac OS and Linux, as well as mobile devices running Android. You can play a AAC file using one of 48 programs, for example VLC media player, iTunes and UltraMixer.

Mac OS

Linux

Android

VLC media player

How to open a AAC file?

The most common reason why a AAC file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.

Thanks to their popularity, VLC media player, iTunes and UltraMixer are often the go-to programs for managing AAC files. To install the updated version of Adobe Soundbooth, simply go to the Adobe site and download the installer compatible with all major platforms.

Once the process is complete, Adobe Soundbooth should take over as the default application for AAC files.

Set Adobe Soundbooth as the default AAC handler

Choose an app to open a file on Mac

Right click or use Control + left click on the desired AAC file to launch the file options menu;
Choose "Open in Application" and click "Other";
At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
Choose "All Programs" in this menu and search for Adobe Soundbooth. Check the box next to "Always open in app" to make it the default program.

Change a default app in Windows

Start the process by right-clicking on your AAC file and selecting "Open With". From there, click "Choose another app" to continue;
In the pop-up window, find and select the Adobe Soundbooth application from the available options;
Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening AAC files.

Effective solutions for AAC file problems

Rest assured, any issues with AAC files can typically be addressed with simple software adjustments. See the tips below for help.

Why does Adobe Soundbooth stop responding or crash intermittently?

Lack of regular software updates can cause Adobe Soundbooth to crash. Make sure you have installed the latest updates for Adobe products.

Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.

What are the best practices for repairing a AAC file that has gone bad?

Start a recovery program, open the damaged AAC file and then select the "Repair" menu item to start the repair procedure. Allow the recovery process to complete, which will automatically repair the damaged audio files.

How can I confirm if my AAC file has been damaged?

Characteristics of corrupted AAC audio files can include:

Editing the archive in Audacity is hampered by poor overall performance;
Adobe Soundbooth or other programs stop responding or crash when trying to handle the file;
When opening the file, errors occur or the inability to access its contents;
Unexplained AAC file size inflation;
The file operation is accompanied by the display of error messages;

How to edit a AAC file?

To modify AAC files, you need to install special software that makes it possible to open and edit audio files. Online AAC editors are more restricted compared to software designed for Advanced Audio Coding Format.

Best AAC Editor Software in 2026

Based on the criteria above, here is a selection of AAC editors you can use.

AAC Editor Software	Developer	Platforms	Overall Rating
Audacity	Audacity	Windows, Mac OS, Linux	4.7 out of 5 (42 reviews)
Adobe Soundbooth	Adobe	Windows, Mac OS	4.3 out of 5 (40 reviews)

Convert files to and from AAC

If obstacles arise while working with a AAC file, you may convert it to formats like AVI, MOV, WAV, MP3, WMA or other similar types for smoother handling.

After converting a AAC file, some capabilities may be limited, but you can often convert it back to the original format.

Offline software, including iTunes, DVD Ripper+Video Converter Ultimate and Freemake Audio Converter, allows smooth conversion of AAC files while preserving original quality.