Are you trying to open a password-protected PDF or ZIP file? Then, you already know how frustrating it can be. You try out different tools, and the result is a ...

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.

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.