AEP File Extension

After Effects Project

File Type aep
Developer Adobe Systems
Popularity
4.3 (39 votes)
Application Adobe After Effects
Category Graphics Files
Format Binary

What is a AEP file?

After Effects Project, identified by the AEP extension, is a Graphics Files type and includes 556 files.

The After Effects Project (AEP), created by Adobe, is one of file format they developed, and they also built 81 programs to support them.

AEP file support extends to various operating systems, including Windows, Mac OS and Linux. When working with AEP files, you can rely on 3 programs, including Adobe After Effects, Adobe Creative Cloud and Adobe Creative Suite.

Windows

Mac OS

Linux

Adobe Creative Cloud

How to open a AEP file?

If you can’t open a AEP file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.

When it comes to opening and working with AEP files, Adobe After Effects, Adobe Creative Cloud and Adobe Creative Suite are the top choices for users. To install the updated version of Adobe After Effects, simply go to the Adobe site and download the installer compatible with all major platforms.

Once the process is complete, Adobe After Effects should take over as the default application for AEP files.

Set Adobe After Effects as the default AEP program

Changing Default Programs in Windows

Right-click on your AEP file, then choose the "Open with" option and select "Choose another application" from the available options;
In the pop-up window, select the Adobe After Effects application;
Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening AEP files.

Change Default Program on Mac

Right click or Control + left click on the desired AEP file;
Select "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 After Effects. Check the box next to "Always open in app" to make it the default program.

Solve problems with AEP files

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

Why does Adobe After Effects stop responding or crash intermittently?

Adobe After Effects crashes can be caused by outdated software. Keep your Adobe products up to date by installing the latest updates.

Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.

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

Use a data recovery program to open the damaged AEP file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged graphics files.

What are the warning signs that my AEP file may be corrupted?

Common indications of damaged AEP graphics files are:

Error messages appear during the course of working with the file;
Editing the archive in Adobe After Effects results in slow or unresponsive behavior;
Opening the file results in an error or a failed attempt;
Unexpected expansion of the total size of the AEP file;
Opening the file in Adobe After Effects or other programs causes them to hang or crash;

How to edit a AEP file?

To edit AEP files, it is essential to install software that supports not only viewing but also editing the graphics files. Online AEP editors provide limited functionality compared to full-featured software for After Effects Project.

List of Top AEP editors 2026

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

AEP Editor Software	Developer	Platforms	Overall Rating
Adobe After Effects	Adobe	Windows	4.6 out of 5 (45 reviews)

Convert to and from AEP

If obstacles arise while working with a AEP file, you may convert it to formats like AVI, JPG, JPEG, PNG, TIF or other similar types for smoother handling.

Keep in mind that converting a AEP file may introduce some limitations, but the original format can often be restored.