Adding password protection to a PDF can make the file even more secure and is the best practice when sharing any sensitive information.

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 ...

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 ...

How to password-protect a PDF before e-mailing in OS X With a few steps you can set up an easy way to encrypt PDF files generated from the standard print dialog window.

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me ...