How to set an external editor in Xcode 4.2

Question

All the posts I have found suggest going to the \"file types\" sub-section under XCode preferences and adding an external editor for a specific file type. However this optio

Answer 1

I agree that you need to change the default setting for the file type in Finder. The best way to do that is to right-click any similar file in Finder. Select Get Info from the pop-up menu. Then look down the list for the "Open with" drop-down option. Select your chosen editor and then below the words "Use this option to open all documents like this one" click on "Change All..."

Then it will change the default for all your applications.