XFA Forms
The "P" in PDF stands for "Portable", and PDF is now an ISO Specification. So you could be forgiven for being surprised when you learn about XFA. We're asked about it a lot so what follows is a bit of a FAQ. What is XFA XFA stands for "XML Forms Architecture", and it's been part of Acrobat since Acrobat 6. It's an XML syntax which defines the document (the whole document, not just the fo...