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

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 ...

First things first, to create a digital signature, you must have a signing certificate, which proves identity and verifies the authenticity of the document. So, when you send a digitally signed file ...

An icon in the shape of a lightning bolt. Impact Link If you want your Microsoft Excel spreadsheet to have a little more protection, you can encrypt its data by ...