If you use Microsoft Outlook, you can make it even more useful by adding your Yahoo Calendar. You can convert your calendar so that it works with Outlook by exporting it into an ICS, or iCalendar, ...
Is it too much to ask? All I want to do is to extract new calendar items from Outlook in iCal format every day at a set time. The reason for this is I am planning to buy a big, new Mac Pro (dual ...