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 ...

You can add a watermark to an Excel workbook using your own picture. It can be a stamp, your logo image, or any image that you want to use to watermark an Excel file. Let’s check out the steps for ...