Howtogeek shows you how to change the default application for a file type in OS X
If you're a recent Mac OS X convert, you might be wondering how to force a particular file type to open in a different application than the default. No? Well, we're going to explain it anyway.How to Change the Default Application for a File Type in Mac OS X
This is most useful when you?ve installed something like VLC and want to open your video files in that instead of the default, which is QuickTime Player.