A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...

The major advantage to PDF files is that you can distribute documents to a wide variety of platforms, including the Amazon Kindle. While the Kindle opens most PDFs with no difficulty, you can run into ...

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 ...