Exchange Server Release dates Product name Build number Date Microsoft Exchange Server 2003 6.5.6944233 03 Microsoft Exchange Server 2003 SP1 6.5.7226 5/25/2004 Microsoft Exchange Server 2003 SP2 6.5.7638 10/19/2005 Microsoft Exchange Server 2007 8.0.685.24 12/9/2006 Microsoft Exchange Server 2007 8.0.685.25 12/9/2006 Microsoft Exchange Server 2007 SP1 8.1.240.6 11/29/2007 Microsoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009 Microsoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010 Microsoft Exchange Server 2010 14.0.639.21 11/9/2009 Microsoft Exchange Server 2010 SP1 14.1.218.15 8/24/2010 Microsoft Exchange Server 2010 SP2 14.2.247.5 12/4/2011 Microsoft Exchange Server 2010 SP3 14.3.123.4 2/12/2013 Microsoft Exchange Server 2013 15.0.516.32 10/11/2012 Microsoft Exchange Server 2016 15.1.225.42 [...]