"Open with" equivalent on Mac
In order to open a file with a specific program, you can right click the file and hover over the Open With menu item that appears.

First, find the file in Finder, then right click the file. From the top, the second option will be Open With. You can hover over that menu item to see a list of every app that the system knows can open that particular file.

At the very bottom of the menu containing the list of apps, there will be an item titled Other.... This allows you to choose any app on your Mac to open the file with.