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To change the default application for opening a file:
- Single click a file that uses the file type you'd like to change the default for. ..
- Click the File menu and choose Get Info (you can also use the shortcut of Command + I keys on your keyboard)
- In the Open With section, if there's an appropriate file in the list you can select it and click Change All and confirm, and now all files with that extension open in that app.
- If the app you want doesn’t appear in the list, select Other.
- Choose the app from the list that shows. In the Enable pop-up menu, you can choose All Applications, and it will let you pick any app. Check the Always Open With box to force an association.
- Close the Get Info window.