An email signature is a few lines of text placed at the bottom of all outgoing emails. In this guide, we'll show you how to set up a signature in Gmail, and how to set it to appear above the quoted text in replies.
How to add a signature in Gmail
To set up a signature for emails you compose in Gmail on the desktop site, mobile app, and mobile site, follow these steps:
Select the Settings gear in the Gmail toolbar.
Select Settings > General.