PFA file extension - Formdef or Pagedef source code file
What is pfa file? How to open pfa files?
File type specification:
The PFA file extension is related to Formdef or Pagedef. A page definition is a resource used to define how data is to be formatted on a logical page. When generated by PPFA, a page definition is stored as a resource in the page-definition library.
This command must be specified when you define a page definition. All of the PAGEDEF subcommands are optional; defaults are assumed.