Default application in OS X
If you have been trying to figure out how to change what program – or “application” in Mac parlance – is used to open certain filetypes, here's how to do it.
- Locate an example file of the type you want to change.
- Right-click it and select Get Info, or just click it and hit Cmd+I.
- In the “Open with:” section, select the application you would like to open that type by default.
- Click “Change All...” and confirm