How to change which app opens a file in macOS High Sierra

There are default apps that open certain types of files in macOS High Sierra. However, you can change this. To open a file once with a specific app, do one of the following:

  • Drag the file onto the app icon in the Finder or the Dock.
  • Select the file in the Finder, choose File > Open With, then choose an app.
  • Control-click the file, choose Open With, then choose an app.
  • Open the app, then choose File > Open.
App Pref small.jpg

To permanently change the app used to open a file:

  • In the Finder, select the file, then choose File > Get Info.
  • You can also Control-click the file, then choose Get Info.
  • In the Info window, click the disclosure triangle next to “Open with.”
  • Click the pop-up menu, then choose the app.
  • To open all files of this type with this app, click Change All.