While the reasons for locking a PDF file can be as varied as the reasons for creating it, there are essentially two main reasons to lock a PDF: to control who can access the document, or to control ...

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

Microsoft Word possesses the built-in ability to save documents as PDF. It doesn’t require you to download a converter to get the job done. Earlier, we had learned ...

“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 ...