garywoods

https://docs.microsoft.com/en-us/microsoftteams/platform/get-started/get-started To develop apps for Microsoft Teams, you need to be an Office 365 customer with one of the following plans.+ Business Essentials Business Premium Enterprise E1, E3, and E5 Developer Education, Education Plus, and Education E5 We had SfB and Phone system licensed users in a tenant and could not enable teams until I assigned one of the above to the tenant.