OSX – Remove Duplicate Entries From “Open With” Dialog

The following command executed in the terminal rebuilds the list of entries in OSXs “Open With” dialog and in the process removes duplicate entries.

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

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