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How to disable Outlook Web Access (OWA) signatures in the classic Exchange admin center

Payal Arya
  • Updated

Scenario

You wish to disable the native signatures functionality in Outlook Web Access (OWA) to ensure that your users apply Exclaimer Cloud signatures via the Exclaimer Outlook Add-in or server-side signature rules.

Resolution

NOTE: The steps and screens described below are from the Classic Exchange Admin center.
  1. Log in to your Microsoft 365 portal (https://portal.office.com).

  2. Click the Admin button.

  3. On the left-hand pane, expand ADMIN and click Exchange.

  4. In the Exchange admin center, click permissions on the left-hand side. On the right-hand side, within Outlook Web App Policies, double-click the policy you wish to disable. 
    This will block the custom OWA signatures assigned to the users.

    Example:
    mceclip0.png

  5. The Outlook Web App policies window is displayed. From the left-hand side, select features and click More options.

    Example:
    mceclip1.png

  6. Scroll down and untick the Email signature option.

    Example:
    mceclip2.png

  7. Click Save to save the changes made.