If needed, click ' browse' to find the response file. create a new responses file:. combine or merge. pdf file extension is a portable document format ( pdf) file. pdfs are typically used to distribute read- only documents that preserve the layout of a page. they' re commonly used for documents like user manuals, ebooks, application forms, and scanned documents, to name just a few. in the add completed form to responses file dialog box, select one of the following options:. pdf form field properties; fill and sign pdf forms; setting action buttons in pdf forms; publishing interactive pdf web forms; pdf form field basics; pdf barcode form fields; collect and manage pdf form data; about forms tracker; pdf forms help; send pdf forms pdf data to recipients using email or an internal server; combining files. add to an existing responses file: this option compiles data in the response file initially created when you distributed the form using the distribute form wizard.