The File Extensions Database

.ACX File Extension

  • Developer by: Atari
  • Category: Game Files

What is an .ACX file?

.ACX is Atari ST Program

Program written for an Atari ST system; saved as an executable file that can be run on a PC using an Atari ST emulator; may be a game or other type of application.

Programs that open Atari ST Program

How to solve problems with ACX files

  • Associate the ACX file extension with the correct application. On :
    Windows: Right click on any ACX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ACX files". Mac: Right click (or Ctrl-click) the ACX 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 .ACX is Atari ST Program. Because only the current version supports the latest ACX file format. Search, therefore, e.g. on the Atari manufacturer website after an available .ACX is Atari ST Program update.
  • To make sure that your ACX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.