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 ...

What does it mean to lock a PDF file, and why do you may need it? How can this be achieved? Is there a good service to assist you in coping with this vital task? In this piece, you’ll have these and ...

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 ...