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

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.

How you go about this will depend on the software you're using to create the file in the first place. Some applications have password protection features built in, while in other cases you'll need ...