as it is rather time consuming to type in all appointments.

Appointments can be exported from outlook (win XP) abd ical (Mac OS X) just by drag and drop to your favorite mail program. It is just one click here on the attachment to import the date here (Lufthansa already knows that but you may use this hint in your company to get the inventor award). BTW The screenshot shows another neat idea of integrating dynamic Doodle feeds.