How to change the default app for all file types on a Mac
I like to use VLC when watching movies and television shows on my Mac. For some reason, Quicktime doesn't do it for me. Same thing with Photoshop and Preview. Now, it doesn't matter what file type you want to set the new default settings to because this solution is works for all of them. Just follow the instructions below and before you know it you won't ever have to right click and Open with ever again.
Step 1: Get Info Find a file that’s the type you want to change.
Right click on your file, and then select Get Info (or click on the file once, then go to File -> Get Info, or select the file and press Command-I on your keyboard). This will open the Get Info window.
Step 2: Open With pane In the Get Info window, the Open With pane displays a pull-down menu with the application that is currently set to open the file. Click on that pull-down menu, and a pop-up list will display all the applications on your Mac that are able to open the file.
Move your mouse down the list and click on the application you want to open your file.
Step 3: Change All Now that you’ve changed the default program for this file, the button for Change All is active. This button will set your Mac to use the selected application to open files of this type. Click on that button.
Step 4: Confirm On the dialog window that pops up asking if you are sure, click Continue.
Done. You can close the Get Info window. If you want to change the default application again or change it back to the previous application, just go through these steps again.
Sources of Information
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