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

Do you share PDF documents with people? Here's a guide on how to password protect a PDF on Mac to protect it from unauthorized access, editing, and printing.

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

With the file open in Pages, Numbers, or Keynote, select File and then Set Password to choose and apply your password.

Do you share PDF files with other people? Here's how to password protect a PDF on Windows for protection against unauthorized access, editing, and printing.