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 ...

You can sign a document on your iPhone through the Mail app, where you can use the markup tool to add your drawn signature.