AETX File Extension

After Effects XML Project Template
- File Type aetx
- Developer Adobe Systems
- Popularity
- Application Adobe After Effects
- Category Data Files
- Format XML
What is a AETX file?
Files with the AETX extension are specifically tied to After Effects XML Project Template, a Data Files type, and there are 6196 files in this category.
The After Effects XML Project Template (AETX) was created by Adobe, a company that developed file format and produced 81 programs for their use.
AETX files are supported by Windows, Linux and Mac OS. If you need to open a AETX file, you can use one of 2 programs, such as Adobe After Effects and Adobe Creative Cloud.
Programs that support AETX files
How to open a AETX file?
If you’re having difficulty opening a AETX file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
Adobe After Effects and Adobe Creative Cloud stand out as the preferred programs to manage AETX files effectively. To install the latest version of Adobe After Effects on your computer, visit the Adobe website where you can download the version available for all operating systems.
After installation, your operating system should automatically open AETX files with Adobe After Effects.
Set Adobe After Effects as the default AETX handler
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired AETX file to launch the file options menu;
- Choose "Open in Application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find Adobe After Effects and check the box next to "Always open in the application."
Set default programs for Windows
- Start by right-clicking on your AETX file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- In the pop-up window, find and select the Adobe After Effects 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 AETX files.
Effective solutions for AETX file problems
There are some common issues with AETX files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What are the methods to detect if my AETX file has been corrupted?
AETX data files that have become corrupted may display one or more of the following symptoms:
- An unexplained increase in the size of the AETX file;
- Trying to work with the archive in Adobe After Effects or other programs causes instability or program crashes;
- The file does not open correctly or displays error messages;
- While working with the file, error alerts are encountered;
- The file exhibits poor performance during editing operations in Adobe After Effects;
Why does Adobe After Effects crash?
Insufficient software updates can contribute to Adobe After Effects crash. To avoid this, make sure that 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.
How to repair a corrupted AETX file?
Open the damaged AETX file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged data files.
How to edit a AETX file?
To make changes to AETX files, you need specialized software that allows both opening and editing the data files. Online AETX editors offer fewer capabilities than applications optimized for After Effects XML Project Template.
Best AETX editors 2026
Based on these criteria, we have prepared a list of available AETX editors.
| AETX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Adobe After Effects | Adobe | Windows | 4.8 out of 5 (42 reviews) |





