O2M for Windows Outlook 2002/2003/XP/2007

Used by Apple Genius Bar pros. O2M runs on Windows to automatically convert Outlook e-mail, e-mail attachments, contacts, and calendar items to Mac format so you can import them into your OS X programs like Apple Mail, Address Book, iCal, Entourage. A fast, easy-to-use wizard, filtering options, and support for the mbox, vcf (vCard), and ics (iCal) standards make it one of the fastest, most flexible Outlook-to-Mac converters available. Note: Outlook Express is NOT supported.

Limitations:

Converts 5 items of each type