The File Extensions Database

.AETX File Extension

  • Developer by: Adobe Systems
  • Category: Video Files
  • Format: XML

What is an .AETX file?

.AETX is After Effects XML Project Template

XML project template file created by After Effects, a video production application; saves a video composition template, which may be used as the starting point for making multiple .AEPX video projects with the same properties.

Older versions of After Effects use the .AET extension, which use a binary file format instead of an XML format.

Programs that open After Effects XML Project Template
Adobe After Effects CC 2019
Adobe After Effects CC 2019

How to solve problems with AETX files

  • Associate the AETX file extension with the correct application. On :
    Windows: Right click on any AETX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.AETX files". Mac: Right click (or Ctrl-click) the AETX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .AETX is After Effects XML Project Template. Because only the current version supports the latest AETX file format. Search, therefore, e.g. on the Adobe Systems manufacturer website after an available .AETX is After Effects XML Project Template update.
  • To make sure that your AETX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.