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 ...

Maybe there was a time when you wanted to lock away certain pages in a PDF, but you didn’t have the tools to get it done. Well, those days are over due to the release of an interesting software known ...