Stapled File Field ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ The Stapled File Field is used to attach external files to a data form. Supported file types include: PNG, JPF, TIFF, PDF, .doc, .xls, .ppt.Examples:Attach PDF of a vendor invoice to a vendor invoice data formAttach an image of an employee to the employee data formAttach an image of inventory item to the inventory data form