http://blogs.technet.com/b/chitpro-en/archive/2009/04/14/windows-xp-and-office-2003-enters-extended-support-today.aspxToday was D-Day for Windows XP and Office 2003. Both products moved from Mainstream Support phase to Extended Support phase . Extended Supports entails: Paid support Security update support at no additional cost Non-security related hotfix support requiresen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)