There is one Yammer administration function that needs to be done from the Office 365 admin center—administrating user access. Yammer licensing is included in the following Office 365 subscriptions:
- Business Essentials
- Business Premium
- Enterprise E1
- Enterprise E3
- Enterprise E5
When managing your users via the Office 365 admin center, you can remove access to Yammer if/when needed:
After clicking Edit, you will have the opportunity to turn access to Yammer On or Off: