PDF is a user-friendly, printable, downloadable file format that works across all systems. In our digital age, PDF has replaced many paper documents, making security all the more important. Thankfully ...

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

The widely used PDF format supports data-saving encryption, allowing you to protect sensitive documents so that only those with the correct password can access them. In the old days, you’d need a ...

Don't let your sensitive data fall into the wrong hands. These tools encrypt important PDFs without the need to spend hundreds of dollars on the full Adobe Acrobat program. At some point you’ll likely ...

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 ...

LibreOffice is a free popular office suite used by many. It is an open-source application program that shares most of the features similar to Microsoft Office. LibreOffice offers a simple interface ...