Overview of app management and governance in Teams admin center

 To allow an app, all the following settings must be done. To block an app, block it via any one of the following settings.

    Org-wide app settings: Use this setting to allow use of apps in your org. You decide which specific apps are used.

    Allow an individual app: Use this setting to allow a specific app in your org. You decide which users can use the app.

    App permission policy: Use policies to allow all or allow specific users to use an app. You decide access on a per-user and per-app basis.

The Manage apps page is where you allow or block individual apps at the org level. The page displays all the available app and their current org-level app status. To allow or block an app, follow these steps:

    Sign in to the Teams admin center and access Teams apps > Manage apps

    Locate an app and select it.

    Select Allow or Block option.

To allow an app for specific users, see app permission policies.