PDF files can contain everything from reviewer proofs of pre-publication books and under-development drafts of confidential intellectual property to proprietary financial data and personal information ...

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.

You can remove the password from a PDF file if you know the password to your protected PDF. If you have Adobe Acrobat Pro, open the file's Document Properties, remove ...