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Clean up “Open With” menu on OS-X

Posted in Tips & Tricks on December 28th, 2012
Clean up “Open with” menu on OS-X

In OS-X Mountain Lion I noticed that I had duplicates of certain applications in my “Open With” menu. This can be cleaned up quickly by making a small trip to Terminal. Launch the Terminal application and paste in the following code:

framework/Support/lsregister -kill -r -domain local -domain system -domain user

Note: This should be one line, I added a break between “LaunchServices.” and “framework” in order to make it fit. When using this copy it to a text editor and remove that space.

To see the changes you will need to reboot your system or re-start the Finder. While you have Terminal open you can quickly restart the finder by pasting in the following line:

killall Finder

That should clean your “Open With” contextual menu up and remove all of the duplicate applications.

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