Smart importing, exporting and subscribing (Remote Calendars) of ICS files/feeds for MS Outlook. Veritable 2-Way Synchronization with Google Calendar is integrated. Various options cover the needs of exchanging and synchronizing events in the iCalendar format with different applications & installations, eg. iCAL (Apple / mac.com), Sunbird or Websolutions such as Webcalendar, Google Calendar, iPhpCalendar. Can run in background. Very good support.