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 ...

You can password protect a PDF on a Mac computer using the Preview app to secure files that contain sensitive information.

Don't let your sensitive data fall into the wrong hands. These tools encrypt important PDFs without the need to spend hundreds of dollars on the full Adobe Acrobat program. At some point you’ll likely ...

There are two simple ways to remove the password from a PDF file, one of which works no matter what software you have.