Question: how to create fdf file?
Answer: Forms Toolbar: Create and. edit form. fields. Toolbar must. be loaded. initially from. Advanced. menu bar.
Select. text box. tool. Click and. drag to. create. field. Double-click. field to. display. ... 
Click. Enter name. Browse to. previously. created PDF. Click. Optional. If checked, FDF will appear as blank in the Blank Documents area.