Oh oh oh oh ..i’m only a couple of days late but … http://www.ucblogs.net/blogs/exchange/archive/2010/12/14/Microsoft-releases-update-that-enables-Exchange-2010-Archive-access-for-Outlook-2007.aspx
Today, Microsoft released a cumulative update for Outlook 2007 that provides access to Exchange 2010’s Archive mailbox. A long awaited feature, Outlook 2007 users previously had to rely on Outlook Web Access to access their archive. Some organizations have held off deploying Exchange’s archive feature because they had Outlook 2007 deployed. Now, the wait is over.