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.

Need to learn how to password protect a PDF from prying eyes? Here's a step-by-step guide on how to do just that in both Windows and MacOS using various tools.

Many popular tools make it easy to add a password to your documents. Some even allow you to set different permission levels, such as allowing someone to view the PDF but not print or edit it.

The quickest way to do this is to ZIP the PDF file and protect the ZIP file, or use Microsoft Office’s built-in encryption tools to create a password. If you use Outlook, you can use Adobe ...

Ensure that the PDF image you created with your handwritten signature appears in the Appearance block. Enter the password for your digital ID again in the password field, then click the "Sign" button.

In this guide, we’re going to be using Preview to create password-protected PDFs. For this to work, you will need to import an image or PDF into Preview and you can either do this with one you ...

How to password-protect a PDF before e-mailing in OS X Topher Kessler MacFixIt Editor Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of ...

If you want to share a PDF file with other people, but need to protect it from being viewed by unwanted eyes, LibreOffice has a built-in password-protect feature.

Method III – Password Protect a PDF using Print. Lastly, in addition to using Preview and Pages, you can also use the Print functionality on macOS to password-protect PDFs on your Mac.