Create and Add Your Email Signature

Create an email signature

Select the Settings (gear wheel icon) at the top right of the page.
Select Mail > Compose and reply.
Under Email signature, create a name in the name field and then type your signature in the signature box. Use the available formatting options to change its appearance.
Select Save.
Select the default signature for new messages and replies.
Select Save when you're done and close the Settings window.

Manually add your signature to a new message

If you've created a signature but didn't choose to automatically add it to all outgoing messages, you can add it later when you write an email message.

Go to your mailbox and choose New email.
Type your message and then choose the three dots option menu > Insert signature at the bottom of the compose pane.
When your email message is ready, choose Send.