Totally change entire “header” on ALL new files in Xcode

Question

When you create any file in Xcode you get:**

Is there a way to complet

Answer 1

There's a post here with a detailed guide. To access the original templates, you'll need to open the Xcode app bundle as mentioned in Mark's answer.

http://meandmark.com/blog/2011/11/creating-custom-xcode-4-file-templates/