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 ...

You never know when one of your files might reach someone it wasn't intended to reach—perhaps through an email forward, a USB stick left behind on a desk, or maybe ...

There are two simple ways to remove the password from a PDF file, one of which works no matter what software you have.

PDF is an incredibly popular file format used widely for sharing documents. One of its biggest advantages is the ability to use everything, including fonts, vector graphics, and images, displaying the ...

You can turn any Mac folder into a disk image to lock its contents behind a password. Here's how to password protect your ...