In the Mail app on your Mac, choose Mail > Preferences, then click Signatures. In the left column, select the email account where you want to use the signature. If All Signatures is selected when you create a signature, you’ll need to drag the new si

Add or remove email accounts in Mail on Mac. Use the Mail app to send, receive, and manage email for all of your email accounts in one location. Simply add the accounts—such as iCloud, Exchange, Google, school, work, or other—you want to use in Mail.

Email signatures are a way to sign off when writing an email. It could be an additional quote for personal mail or contact information for business mail. With Mac devices, you can create multiple email signatures for Apple Mail that you can choose to use