Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

Adobe's portable document format (PDF) has become a standard for exchanging and distributing documents. PDF files look like the original document would look if it were printed, and can be read on just ...

To know more about these above-mentioned steps, keep reading. Following that, go to the File Block Settings tab and make sure that the Open selected file types in Protected View setting is selected.