How to password-protect your PDFs
by Barbara Krasnoff from The Verge - All Posts on (#64MWE)
Vincent Kilbride / The Verge One of the reasons PDFs are so popular, especially among lawyers and other legal professionals, is that they are accurate and (for the most part) unalterable versions of documents that were once only available on paper. As a result, because PDFs often hold information that we want to keep private, they can also be password-protected.
There are a variety of ways you can password-protect a PDF file. If you use a Mac, you can use the Preview app that comes with macOS. If you use a Windows PC, it's a little more involved; you can use the Word app (assuming you've got a paid-for version), or you can use an online app by Adobe (the company that created the format).
Here are step-by-step directions to help you protect your PDFs with one of...