outlook2ical.js
WSH script in javascript to extract appointments from Microsoft Outlook and save them to iCalendar (.ics) format, and thus usable in iCal on the Mac, phpicalendar or a number of other tools. Adapted from VB macro for Outlook by Norm Jones.
Just run the script by default it will place and .ics file in your C:\ root. Adjust the script to place the file wherever you'd like.
If you also install Outlook Redemption you can export the full descriptions while avoiding the security prompt.