How to Update Your Email Signature in Outlook 365

  1. Log in to Office 365 and open Outlook.
  2. Click the ⚙️ Settings icon in the upper-right corner.
  3. Select Accounts → Signatures.
  4. Select your existing signature and click the Edit icon.
  5. Update your signature with the correct information.
  6. Under the signature settings, make sure your signature is selected for:
    • New messages
    • Replies and forwards
  7. Click Save.
  8. Open a New Mail message to confirm your updated signature appears correctly.