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.

PDF files are widely used by businesses because of their broad compatibility, but another crucial component of PDF files are their security measures. If you're relying on PDF files for important ...

Usually, bank statements or a phone bill, as well as confidential financial documents, are sent as PDF files, and most of them are password protected as they contain private and sensitive information.