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.

Microsoft Word offers the ability to password protect PDF files. Read to know how to lock PDF from editing using Microsoft Word.

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

An icon in the shape of a lightning bolt. Impact Link It takes about 10 seconds to add password protection to a PDF when you use a Mac's Preview software, and those few seconds you invest could ...