The Access Legal Outlook Add-In is available via both the Outlook desktop application and the Outlook Web App, from Office 365.
Based on your administrator's deployment in the admin centre, you may see the ribbon automatically.
Alternatively, to add the ribbon yourself, follow the steps below:
Open your Outlook application.
On the ribbon, select the add-ins icon .
Click Admin- managed.
Locate Access Legal and click Add.
Tip: You will see a tick next to the word Added to confirm that this has taken place.