Dynamics GP - Copy a report format from one type to another

Problem:
You formatted you short invoice form, and want to copy it to your long invoice form, or blank invoice form.

Solution:
Export the package files and edit the source code.

http://blogs.msdn.com/b/developingfordynamicsgp/archive/2013/02/26/copying-report-formats-between-reports-and-a-warning-about-word-templates.aspx