How to add an email signature in Apple Mail (2025)
Step-by-step guide to adding a professional HTML email signature in Apple Mail on Mac.
Step-by-step: adding your signature in Apple Mail
- 1
Open Apple Mail and go to Mail > Preferences (or Settings on macOS Ventura+)
- 2
Click the 'Signatures' tab
- 3
Select your email account on the left
- 4
Click the '+' button to add a new signature
- 5
Uncheck 'Always match my default message font'
- 6
Paste your signature using Edit > Paste and Match Style
- 7
Close Preferences — your signature is saved automatically
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