Open the Excel document needing a signature if it's not open already. Then open the "Sign" dialog box by either double-clicking the signature line or by right-clicking it and selecting "Sign." Add ...

Learn how to create, add or remove the digital signatures in the Microsoft Excel files. You will first need to have a signing certificate.

If the Signature Line option is greyed out in Excel or Word on your desktop, remove editing restrictions or add a signature line manually.

How to Add a Signature Line in Microsoft Office. Asking people who read your Microsoft Office Word documents to sign on the bottom line is never a problem when the page is printed out.

TECH How to digitally sign a document on any device Follow these easy steps to add your signature online without ever picking up a pen ...