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 ...

Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

You probably have documents on your desktop operating system that contain sensitive information. So what do you do to protect that data? You could hide the document in an obscure folder -- but that's ...

An icon in the shape of a lightning bolt. Impact Link It takes about 10 seconds to add password protection to a PDF when you use a Mac's Preview software, and those few seconds you invest could save ...

A new PDF phishing kit is being sold on the dark web, promising customers advanced features, a simple interface, and ...