Is there a way, as soon as a .dmg is mounted, without any user-action the contained .app launches, just like windows has autorun.ini?

  • 4
    Running apps from a DMG is bad practice, I would suggest. It doesn't offer any advantages, and at best means that the app 'disappears' if the dmg is unmounted, e.g. after reboot.
    – benwiggy
    Jun 22, 2022 at 11:34

1 Answer 1



This in its most general application would be an egregious security risk. There is a provision to display a license prompt at mount time, however.

btw, Windows auto-run [as opposed to auto-play] has been disabled for many years [since Windows 7] for similar reasons.

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