How to Add a Signature in Apple Mail
Step-by-step guide for Mac (2026)
1Open Mail Preferences
Go to Mail > Preferences (or Settings on newer macOS versions).
2Go to Signatures Tab
Click on the 'Signatures' tab.
3Create New Signature
Click the '+' button at the bottom of the middle column.
4Name Your Signature
Give your signature a descriptive name.
5Paste Your Signature
Copy your signature from SigGen and paste it in the right panel.
6Assign to Email Account
Drag the signature to the email account in the left column.