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.

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.

To password protect a PDF in Adobe Acrobat Reader, you'll need the paid Pro version, which starts at $14.99 a month.

Adding password protection to a PDF can make the file even more secure and is the best practice when sharing any sensitive information.

Here's how you can use your Mac's built-in tools to create password-protected PDFs to secure data while working remotely.

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me ...

Here is how we can generate password-protected PDFs in Rails using Wicked PDF, ImageMagick, and Prawn gem in Ruby on Rails w/ code.

How to Access a Password-Protected PDF on a Kindle. The major advantage to PDF files is that you can distribute documents to a wide variety of platforms, including the Amazon Kindle.