Take a look here, it may help:
http://www.slipstick.com/outlook/sync.htm

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Milly Staples [MVP - Outlook]
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After furious head scratching, @LakeheadU asked:
| How do I synchronise my outlook calendar (and contacts, email folder
| structure) on two pc's with outlook 07? i.e. I want the same
| calendar, contacts, and email folders on my laptop as my desktop.
| (Win XP Pro and Media Centre respectively)