Objective
How to create an email signature that you can add automatically to all outgoing messages or add manually to specific ones.
Audience
Environment
Outlook for the web
Procedure
- Sign in to webmail.
- Click Settings.

- On the left navigation, click Account.
- Click Signatures.
- Type and format your email signature.
- If you want your signature added automatically to messages, click your signature under Select default signatures.
Note: If you use both the Office 365 Web App and the Outlook desktop client, you need to create a signature in each.
- Click Save.
Manually add a signature
- Compose your message.
- On the Insert tab, click Signature.
- Select Outlook Web Signature.