Cleanup Your Open With Context Menu in OSX

Recently I noticed that I had many duplicate entries in the Open With context menu on my Mac (Mountain Lion). Then after a clean re-install, I noticed the same behaviour repeating. For example, I had three entries for Even Note.

Well, a little googling lead me to this link with this magic command to reset the menu and clean it up.

/System/Library/Frameworks/CoreServices.framework/Frameworks/\
LaunchServices.framework/Support/lsregister -kill -r -domain local \
-domain system -domain user

Note:

  • This all has to be on one line, but I had to break it up to fit here with the back slash. So to execute, copy it to one line and remove the backslash.
  • The location may be different if you are on an older version of OSX per the link above.


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