XML Forms Architecture (XFA), is a legacy format of forms that isn't supported in Microsoft Edge.Note the following constraints for the current PDF reader: View Information Rights Management (IRM) protected files View Microsoft Information Protection (MIP) protected files across business tenants View Microsoft Information Protection (MIP) protected files in the same business tenant View and print local, online, and embedded PDF files
The following table shows which channels and versions of Microsoft Edge support each PDF reader feature. This article applies to Microsoft Edge version 77 or later.