The .aep file extension is most commonly associated with the Adobe After Effects software application. This software creates motion picture graphics and visual effects. The EP files contain the project files created with the After Effects software.
The .aep file extension is also used for Homeworld game files, Alphacam wire EDM post files, ArcExplorer project files and Activ E-Book project files.
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If you have additional information about the AEP file format or software that uses files with the AEP suffix, please do get in touch - we would love hearing from you.