Moving to Google Apps based email - here's how

Get the Sync program
tools.google.com/dlpage/gappssync

With a new user, with Office 2010 installed, but not in use, choose a New Profile. Otherwise use an existing one to grab all the email off the local PST or Exchange Server.


Restart Outlook.
Done!

If you use Sharepoint (for a shared Company listing of contacts for example, Click on Actions, and Open in Outlook.

Form the client's address book, choose Options, and set the Shared Contacts list to appear first and search though first if required.