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 ...

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 ...

“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. Any help ...