The Mac client does not yet have the ability to adjust who can see your presence. Limit access to your presence information Note: To revert from a manual status change and have Skype for Business automatically update your status, click the presence status menu and click Automatic.If you want to manually change your presence, open Skype for Business and select a presence status.Skype for Business reads your availability from your Outlook calendar.Presence lets other people see at a glance whether you and your contacts are currently available. Return to Skype for Business – Mac Resources Presence