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

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

PDF or Portable Document Format is a file format that allows you to present documents featuring text, images, and rich media with other people. In fact, it is one of the widely-accepted file formats ...

iLovePDF brings different PDF tools to sign PDF documents, edit PDF, convert PDF to PDF/A, Excel, Word, reorder or rearrange PDF pages, and more. Among those tools, a Protect PDF tool is also there ...

Most of us share documents via email. But what if it’s a digital copy of your birth certificate, a sensitive medical record, or a confidential legal document? I want to ensure that only the intended ...

With a few steps you can set up an easy way to encrypt PDF files generated from the standard print dialog window. Topher, an avid Mac user for the past 15 years, has been a contributing author to ...