If you have a confidential PDF you want to password protect, you have a few ways to do that on your Windows 11 PC. You can use a desktop app or a web-based tool to encrypt your PDF files.

Sending important documents? Learn how to password protect PDFs for extra security using easy steps with Adobe Acrobat and free online tools.

A great feature of ZIP files is that you can add a password to them as an extra layer of security. This way, if an unauthorized party gains access to the file, they won’t be able to view or ...