How to Set Up an Email Signature on iPhone (2026)
Step-by-step guide to adding a professional email signature on iPhone. Works with iOS Mail, Gmail, and Outlook apps. Free signature generator included.
Frequently asked questions
The default iOS Mail app supports rich text signatures but not full HTML. The best approach is to set up your HTML signature in Gmail or Outlook on the web, and it will automatically sync to their iOS apps.
Go to Settings → Mail → Signature. You can set a single signature for all accounts or different signatures per account. Paste your signature text — basic formatting is preserved.
iOS Mail's built-in signature editor has limited HTML support. For full HTML signatures, set up your signature through Gmail Settings or Outlook Settings on the web. The formatting carries over to the mobile app.
Yes. In Settings → Mail → Signature, toggle 'Per Account' to set a unique signature for each email account configured on your iPhone.
Yes, iOS Mail includes your signature in all new emails and replies by default. There's no built-in option to disable it for replies only, but you can manually delete it before sending.
Signatures for other email clients
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