Turn on Teams in your organization
The Microsoft Teams admin center is gradually replacing the Skype for Business admin center, and we're migrating Teams settings to it from the Microsoft 365 admin center. If a setting has been migrated, you'll see a notification and then be directed to the setting's location in the Teams admin center. For more information, see Manage Teams during the transition to the Teams admin center.
By default, Teams is turned on for all organizations. If you used Teams during the preview period, the setting stays the same as what you set during your Teams preview.
As an administrator for your organization, you can assign user licenses to control individual access to Teams, and you can allow or block what content sources can be used in Teams. See Manage Microsoft Teams settings for your organization or Admin settings for apps in Microsoft Teams for more information.
To learn more about managing individual licenses, read Microsoft Teams service description.
Turn Teams on or off for your entire organization
Tenant-level control for Teams was removed effective August 2018. Control access to Teams in your organization with user-level licensing. To learn more, see Manage user access to Teams.