Exchange 2010 SP1 can be downloaded via this link.\nExchange 2010 SP1\nYou can also check your version of Exchange with this table:\nExchange Server and Update Rollups Builds Numbers\nThis Wiki page lists the Exchange Server versions and Update Rollups with release dates and KB respectively.\nExchange Server\nProduct name Build number Date\nMicrosoft Exchange Server 2003 6.5.6944 6/30/2003\nMicrosoft Exchange Server 2003 SP1 6.5.7226 5/25/2004\nMicrosoft Exchange Server 2003 SP2 6.5.7638 10/19/2005\nMicrosoft Exchange Server 2007 8.0.685.24 12/9/2006\nMicrosoft Exchange Server 2007 8.0.685.25 12/9/2006\nMicrosoft Exchange Server 2007 SP1 8.1.240.6 11/29/2007\nMicrosoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009\nMicrosoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010\nMicrosoft Exchange Server 2010 14.0.639.21 11/9/2009\nMicrosoft Exchange Server 2010 SP1\n 14.1.218.15 8/24/2010\nExchange Server 2007 Service Pack 1\nProduct name Build number Date KB\nMicrosoft Exchange Server Exchange 2007 SP1 8.1.240.6 11/29/2007\nUpdate Rollup 1 for Exchange Server 2007 Service Pack 1 8.1.263.1 2/28/2008 KB945684\nUpdate Rollup 2 for Exchange Server 2007 Service Pack 1 8.1.278.2 5/8/2008 KB948016\nUpdate Rollup 3 for Exchange Server 2007 Service Pack 1 8.1.291.2 7/8/2008 KB949870\nUpdate Rollup 4 for Exchange Server 2007 Service Pack 1 8.1.311.3 10/7/2008 KB952580\nUpdate Rollup 5 for Exchange Server 2007 Service Pack 1 8.1.336.1 11/20/2008 KB953467\nUpdate Rollup 6 for Exchange Server 2007 Service Pack 1 8.1.340.1 2/10/2009 KB959241\nUpdate Rollup 7 for Exchange Server 2007 Service Pack 1 8.1.359.2 3/18/2009 KB960384\nUpdate Rollup 8 for Exchange Server 2007 Service Pack 1 8.1.375.2 5/19/2009 KB968012\nUpdate Rollup 9 for Exchange Server 2007 Service Pack 1 8.1.393.1 7/17/2009 KB970162\nUpdate Rollup 10 for Exchange Server 2007 Service Pack 1 8.1.436.0 4/9/2010 KB981407\nExchange Server 2007 Service Pack 2\nProduct name Build number Date KB\nMicrosoft Exchange Server 2007 SP2 8.2.176.2 8/24/2009\nUpdate Rollup 1 for Exchange Server 2007 Service Pack 2 8.2.217.3 11/19/2009 KB971534\nUpdate Rollup 2 for Exchange Server 2007 Service Pack 2 8.2.234.1 1/22/2010 KB972076\nUpdate Rollup 3 for Exchange Server 2007 Service Pack 2 8.2.247.2 3/17/2010 KB979784\nUpdate Rollup 4 for Exchange Server 2007 Service Pack 2 8.2.254.0 4/9/2010 KB981383\nExchange Server 2007 Service Pack 3\nProduct name Build number Date KB\nMicrosoft Exchange Server 2007 SP3 8.3.083.6 6/20/2010\nUpdate Rollup 1 for Exchange Server 2007 Service Pack 3 8.3.106.2 9/9/2010 KB2279665\nExchange Server 2010\nProduct name Build number Date KB\nMicrosoft Exchange Server 2010 RTM 14.0.639.21 11/9/2009\nUpdate Rollup 1 for Exchange Server 2010 14.0.682.1 12/9/2009 KB976573\nUpdate Rollup 2 for Exchange Server 2010 14.0.689.0 3/4/2010 KB979611\nUpdate Rollup 3 for Exchange Server 2010 14.0.694.0 4/9/2010 KB981401\nUpdate Rollup 4 for Exchange Server 2010 14.0.702.1 6/17/2010 KB982639\nExchange Server 2010 Service Pack 1\nProduct name Build number Date KB\nMicrosoft Exchange Server 2010 SP1\n 14.1.218.15 8/24/2010\nUpdate Rollup 1 for Exchange Server 2010 SP1 14.1.255.2 10/4/2010 KB2407028\nLast Table update at 25.08.2010\n