What is .ACTION file?
Action used by Automator, a program for creating automations in Mac OS X; contains a specific action that can be combined with other actions to create an automated process; these processes are saved as .WORKFLOW documents.
ACTION files may be saved in one of the following folders:
The most common location of ACTION files in OS X.
Location for ACTION files installed by an administrator but available on all the accounts of the computer.
Location for ACTION files available for specific users.
Recommended Software Programs to open .ACTION file