Microsoft's Office programs have powerful options for creating and editing documents as well as protecting those documents. You can add passwords, configure ...

Microsoft Office 2007's digital signature feature allows users to finalize documents with a stamp of approval. Digitally signed documents cannot be edited or altered, securing their contents; this is ...

How to add a graphic watermark to a spreadsheet in Excel Your email has been sent You may already know you can add a watermark to a Word document, but you might not know that you can also add a ...