Exchange Server Release dates
| Product name | Build number | Date |
| Microsoft Exchange Server 2003 | 6.5.6944 | 30/6/2003 |
| Microsoft Exchange Server 2003 SP1 | 6.5.7226 | 25/5/2004 |
| Microsoft Exchange Server 2003 SP2 | 6.5.7638 | 19/10/2005 |
| Microsoft Exchange Server 2007 | 8.0.685.24 | 9/12/2006 |
| Microsoft Exchange Server 2007 | 8.0.685.25 | 9/12/2006 |
| Microsoft Exchange Server 2007 SP1 | 8.1.240.6 | 29/11/2007 |
| Microsoft Exchange Server 2007 SP2 | 8.2.176.2 | 24/8/2009 |
| Microsoft Exchange Server 2007 SP3 | 8.3.083.6 | 20/6/2010 |
| Microsoft Exchange Server 2010 | 14.0.639.21 | 9/11/2009 |
| Microsoft Exchange Server 2010 SP1 | 14.1.218.15 | 24/8/2010 |
| Microsoft Exchange Server 2010 SP2 | 14.2.247.5 | 4/12/2010 |
