Configuring messaging policies
Messaging policies allow Teams administrators to indicate which messaging features team owners and members are allowed to use. For example, you may wish to prevent the deletion of sent messages for a specific group of users – a messaging policy is what would allow this.
By default, your organization has a global policy assigned to all users. This global policy can be modified, or you can create additional policies to assign to specific groups and users, leaving the global default in place for users to whom the custom messaging policies won't apply.
Important note
Each user in your organization can only have one messaging policy applied to them at any one time. This affects their experience in all Teams uniformly and cannot differ per team.
Creating messaging policies
To create a new messaging policy, select Messaging policies from the left-hand menu of the Microsoft Teams admin center at https://admin.teams.microsoft.com. Then...