In this video, we’ll be showing you how to create a digital signature in Word. A signature gives authenticity and makes sure the document cannot be edited without removing the signatures. If you want to learn how to sign a Word document and even create your own digital signature line, then this video is for you! Let’s create a digital signature line and sign it in this document. 1. Go to the Insert tab and click Signature Line. 2. The Suggested Signer is the person who is supposed to be signing.