How to Paste Signature in Outlook M365 App (Business)

1. Copy your signature by clicking the "Copy Desktop Signature" or "Copy Mobile Signature" button above.
2. Open Outlook M365 App for Business.
3. Go to File > Options > Mail > Signatures.
4. Click New to create a new signature or select an existing one to replace.
5. Paste the copied signature into the editor.
6. Click Save and set it as default for New Emails and Replies/Forwards if desired.
7. Close the options and start composing an email to see your new signature in action.