Microsoft Outlook 2000-2007 (Outlook 2010 x64 doesn't work with PC Suite at the moment, but its possible to sync via Nokia Suite (tested with 3.1 and E71).
Microsoft Outlook 2000-2007 can be synchronized with a computer using PC Suite, although there are some limitations due to the incompatibility of Outlook 2010 x64 with this software. However, Nokia Suite offers an alternative solution for synchronization, which has been successfully tested on devices running version 3.1 and E71.