If you use your Mac for any period of time, you will find the need to open a document with a different program other than the one set as default. The "Open With" menu appears in the Finder whenever you right-click or control-click on the icon of a document. The "Open With" command is designed to give you a list of alternative choices to handle the file that you've selected, but after long-term use you will find this list can get a little bit messy.
Duplicate entries in your "Open With" menu can be easily cleaned via a simple terminal command. We initially covered this command in a 2009 post abou
