Create a signature

  1. Sign in to Outlook Web App. For help, see Sign in to Outlook Web App.

  2. On the nav bar, choose Outlook (or Mail).

    Or

    Choose App launcher Office 365 app launcher icon > Outlook.

    Office 365 navigation options

  3. On the nav bar, choose Settings Settings icon > Options.

  4. Under Options, choose Settings > Mail.

    Or

    Under Options, choose MAIL > Layout > Email signature.

  5. Under Email signature, in the text box, type the signature you want to use. Use the formatting mini toolbar to change the appearance of the signature.

  6. If you want your signature to display at the bottom of all outgoing items, including replies and forwards, select Automatically include my signature on messages I send. If you don’t select this option, you manually can add your signature to any message. For details, see Manually add a signature to a new message.

  7. Choose Save.

Manually add your signature to a new message

If you've created a signature, but didn't select the option to add your signature to all outgoing messages, you manually can add it to specific messages.

  1. Sign in to Outlook Web App. For help, see Sign in to Outlook Web App.

  2. On the nav bar, choose Outlook (or Mail).

    Or

    Choose App launcher Office 365 app launcher icon > Outlook.

    Office 365 navigation options

  3. Choose New mail above the folder list. A new message form opens in the reading pane.

  4. At the top of the message, choose insert Insert > Signature (or Your signature).

  5. When your message is ready to go, choose send Send.

Automatically add your signature to every message you send

If you've created a signature, you can specify if the signature is added to all outgoing messages, including replies and forwards.

  1. Sign in to Outlook Web App. For help, see Sign in to Outlook Web App.

  2. On the nav bar, choose Outlook (or Mail).

    Or

    Choose App launcher Office 365 app launcher icon > Outlook.

    Office 365 navigation options

  3. On the nav bar, choose Settings Settings icon > Options.

  4. Under Options, choose Settings > Mail.

    Or

    Under Options, choose MAIL > Layout > Email signature.

  5. Under Email signature, do one of the following:

    • To include your signature at the bottom of all outgoing items, select the Automatically include my signature on messages I send check box.

    • To exclude your signature from showing at the bottom of all outgoing messages, clear theAutomatically include my signature on messages I send check box.

Article from Microsoft Office Support