wrote:

Is there no way to go to the registry and change the default 'map' to
Google maps or to Mapquest?...

For older versions of Outlook (2002 and earlier), definitely. See
http://www.outlook-tips.net/howto/displaymap.htm . Not for OL 2003 or 2007,
though. You can, however, purchase and install MapPoint and Outlook will
use it.
--
Brian Tillman