Calendars → How to Use iCal
How to Import an iCalendar file
Outlook
To add calendar dates from iCal file to an Outlook calendar
Save the iCal file to your desktop by clicking on the "Calendar in iCal format" link
From Outlook, select "File -> Import andExport"
Select "Import an iCalendar or vCalendar file"
Select the file (ends in .ics) and click OK
- Dates are added to your Outlook calendar
Google
Importing iCal into a Google calendar
Apple
Importing iCal into an Apple calendar
Updated February 20, 2009