This article explains how to set up an AOL email signature and how to change your signature in AOL Mail. Your signature will automatically appear at the bottom of all messages you send.
How to Add a Signature in AOL Mail 2021 | Set a Signature for Emails in AOL Account | www.aol.com
To set or change your email signature in AOL Mail, follow these steps:
Select Options > Mail Settings in the upper-right corner of AOL Mail.
Select Compose in the left sidebar, and then select Use Signature under Signature.