Full use You can add users and conferences to any Full use volume. Limited use You cannot create new conferences or users on the volume, but you can create aliases. The volume will not be checked during trash collection, and conference information on the volume will not be accessible. Once all items on the volume expire, the volume will disappear. Browse only You cannot create any new users, conferences, or aliases. The volume will not be checked during trash collection, and conference information on the volume will not be accessible. Once all items on the volume expire, the volume will disappear.