Exchange Server 2003 goes into Extended Support on 4/14/2009.
Details on our lifecycle policy for Exchange 2003 can be found at http://support.microsoft.com/lifecycle/?LN=en-us&p1=1773&x=11&y=9

Products Released General Availability Date

Mainstream Support Retired

 Extended Support Retired Service Pack Retired Notes
Exchange Server 2003 Enterprise Edition 9/28/2003 4/14/2009 4/8/2014

5/25/2005

  
Exchange Server 2003 Service Pack 1 5/25/2004 Not Applicable Not Applicable 1/8/2008  
Exchange Server 2003 Service Pack 2 10/19/2005 Review Note Review Note  

Support ends 12 months after the next service pack releases or at the end of the product's support lifecycle, whichever comes first.  For more information, please see the service pack policy at  http://support.microsoft.com/lifecycle/#ServicePackSupport

Exchange Server 2003 Standard Edition 9/28/2003

4/14/2009

 4/8/2014 5/25/2005  


Outlook 2003 goes into Extended Support on 4/14/2009.
http://support.microsoft.com/lifecycle/?p1=2520

Products Released General Availability Date Mainstream Support Retired Extended Support Retired Service Pack Retired Notes
Outlook 2003 11/20/2003 4/14/2009 4/8/2014