Members tab
The Members tab displays the name of all users and groups that are members of the group. The add buttons and remove buttons can be used to add or remove users or groups from this list.
MemberOf tab
The MemberOf tab displays all the groups in which the group holds membership.
ManagedBy tab
The Managedby tab displays the contact details of the user who manages the group. You can view the other properties of this user by clicking on the properties button.
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AD Group object properties – General tab