I cannot open a AEPX file. What should I do? Help!

Virtually anyone has encountered some problems with opening unknown files while working on a computer. It can be very frustrating. Yet such problems, not only with AEPX files, can be addressed in a standard way. Follow the steps below and we can guarantee that your problem with opening AEPX will be resolved!

AEPX File Extension

File
  • File type After Effects XML Project
  • File developer Adobe Systems
  • File category Video Files
  • File popularity rating
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How to open AEPX file?

If given user account does not have necessary permissions to open files with AEPX extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports AEPX files

After the application has been installed, the system should automatically open AEPX files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support AEPX files

Step 2. Verify whether AEPX files are associated with appropriate software

It is possible that an application that supports AEPX files is not associated with such files. In such case, the program should by manually associated with AEPX files (right-click on the file icon → PropertiesGeneral Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support AEPX files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open AEPX files with the selected program.

Changing AEPX file association in registry

File association for AEPX files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check AEPX file for other errors

  • AEPX file was not copied properly from storage medium.
  • Antivirus application prevents opening AEPX files. In that case it is recommended to exercise extreme caution and recover or delete infected AEPX file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
  • For AEPX files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

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