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, IIAS asked:
| Hi, basically I want to sync the outlook contacts folder on a regular
| basis between two computers. The reason: I need to sync the new
[quoted text clipped - 3 lines]
| networked and running Vista Home Basic and Office 2007. I do not have
| the Business Contacts Manager software.
IIAS - 20 Aug 2007 02:44 GMT
Thanks Milly, just looking into those sites now.
> Take a look here, it may help:
> http://www.slipstick.com/outlook/sync.htm
[quoted text clipped - 6 lines]
> | networked and running Vista Home Basic and Office 2007. I do not have
> | the Business Contacts Manager software.