Exchange Server Release dates

Product name	Build number	Date
Microsoft Exchange Server 2003	6.5.6944	9/28/2003
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	10/01/2015

Exchange Server 2007 Service Pack 1

Product name	Build number	Date	KB
Microsoft Exchange Server 2007 SP1	8.1.240.6	11/29/2007
Update Rollup 1 for Exchange Server 2007 SP1	8.1.263.1	2/28/2008
Update Rollup 2 for Exchange Server 2007 SP1	8.1.278.2	5/8/2008
Update Rollup 3 for Exchange Server 2007 SP1	8.1.291.2	7/8/2008
Update Rollup 4 for Exchange Server 2007 SP1	8.1.311.3	10/7/2008
Update Rollup 5 for Exchange Server 2007 SP1	8.1.336.1	11/20/2008
Update Rollup 6 for Exchange Server 2007 SP1	8.1.340.1	2/10/2009
Update Rollup 7 for Exchange Server 2007 SP1	8.1.359.2	3/18/2009
Update Rollup 8 for Exchange Server 2007 SP1	8.1.375.2	5/19/2009
Update Rollup 9 for Exchange Server 2007 SP1	8.1.393.1	7/17/2009
Update Rollup 10 for Exchange Server 2007 SP1	8.1.436.0	4/9/2010

Exchange Server 2007 Service Pack 2

Product name	Build number	Date	KB
Microsoft Exchange Server 2007 SP2	8.2.176.2	8/24/2009
Update Rollup 1 for Exchange Server 2007 SP2	8.2.217.3	11/19/2009
Update Rollup 2 for Exchange Server 2007 SP2	8.2.234.1	1/22/2010
Update Rollup 3 for Exchange Server 2007 SP2	8.2.247.2	3/17/2010
Update Rollup 4 for Exchange Server 2007 SP2	8.2.254.0	4/9/2010
Update Rollup 5 for Exchange Server 2007 SP2	8.2.305.3	12/7/2010

Exchange Server 2007 Service Pack 3

Product name	Build number	Date	KB
Microsoft Exchange Server 2007 SP3	8.3.083.6	6/20/2010
Update Rollup 1 for Exchange Server 2007 SP3	8.3.106.2	9/9/2010
Update Rollup 2 for Exchange Server 2007 SP3	8.3.137.3	12/10/2010
Update Rollup 3 for Exchange Server 2007 SP3	8.3.159.0	3/2/2011
Update Rollup 3-v2 for Exchange Server 2007 SP3	8.3.159.2	3/30/2011
Update Rollup 4 for Exchange Server 2007 SP3	8.3.192.1	7/7/2011
Update Rollup 5 for Exchange Server 2007 SP3	8.3.213.1	9/21/2011
Update Rollup 6 for Exchange Server 2007 SP3	8.3.245.2	1/25/2012
Update Rollup 7 for Exchange Server 2007 SP3	8.3.264.0	4/16/2012
Update Rollup 8 for Exchange Server 2007 SP3	8.3.279.3	8/13/2012
Update Rollup 8-v2 for Exchange Server 2007 SP3	8.3.279.5	10/9/2012
Update Rollup 8-v3 for Exchange Server 2007 SP3	8.3.279.6	11/13/2012
Update Rollup 9 for Exchange Server 2007 SP3	8.3.297.2	12/10/2012
Update Rollup 10 for Exchange Server 2007 SP3	8.3.298.3	2/11/2013
Update Rollup 11 for Exchange Server 2007 SP3	8.3.327.1	8/13/2013
Update Rollup 12 for Exchange Server 2007 SP3	8.3.342.4	12/10/2013
Update Rollup 13 for Exchange Server 2007 SP3	8.3.348.1	2/25/2014
Update Rollup 14 for Exchange Server 2007 SP3	8.3.379.2	8/26/2014
Update Rollup 15 for Exchange Server 2007 SP3	8.3.389.2	12/9/2014
Update Rollup 16 for Exchange Server 2007 SP3	8.3.406.0	3/17/2015
Update Rollup 17 for Exchange Server 2007 SP3	8.3.417.1	6/16/2015
Update Rollup 18 for Exchange Server 2007 SP3	8.3.445.0	12/10/2015
Update Rollup 19 for Exchange Server 2007 SP3	8.3.459.0	3/14/2016
Update Rollup 20 for Exchange Server 2007 SP3	8.3.468.0	6/12/2016
Update Rollup 21 for Exchange Server 2007 SP3	8.4.485.1	9/12/2016
Update Rollup 22 for Exchange Server 2007 SP3	8.3.502.0	12/13/2016
Update Rollup 23 for Exchange Server 2007 SP3	8.3.517.0	3/20/2017

Exchange Server 2010

Product name	Build number	Date	KB
Microsoft Exchange Server 2010 RTM	14.0.639.21	11/9/2009
Update Rollup 1 for Exchange Server 2010 RTM	14.0.682.1	12/9/2009
Update Rollup 2 for Exchange Server 2010 RTM	14.0.689.0	3/4/2010
Update Rollup 3 for Exchange Server 2010 RTM	14.0.694.0	4/9/2010
Update Rollup 4 for Exchange Server 2010 RTM	14.0.702.1	6/17/2010
Update Rollup 5 for Exchange Server 2010 RTM	14.0.726.0	12/13/2010

Exchange Server 2010 Service Pack 1

Product name	Build number	Date	KB
Microsoft Exchange Server 2010 SP1	14.1.218.15	8/24/2010
Update Rollup 1 for Exchange Server 2010 SP1	14.1.255.2	10/4/2010
Update Rollup 2 for Exchange Server 2010 SP1	14.1.270.1	12/9/2010
Update Rollup 3 for Exchange Server 2010 SP1	14.1.289.3	3/7/2011
Update Rollup 3-v3 for Exchange Server 2010 SP1	14.1.289.7	4/1/2011
Update Rollup 4 for Exchange Server 2010 SP1	14.1.323.1	6/22/2011
Update Rollup 4-v2 for Exchange Server 2010 SP1	14.1.323.6	7/27/2011
Update Rollup 5 for Exchange Server 2010 SP1	14.1.339.1	8/23/2011
Update Rollup 6 for Exchange Server 2010 SP1	14.1.355.2	10/27/2011
Update Rollup 7 for Exchange Server 2010 SP1	14.1.421.0	8/13/2012
Update Rollup 7-v2 for Exchange Server 2010 SP1	14.1.421.2	10/9/2012
Update Rollup 7-v3 for Exchange Server 2010 SP1	14.1.421.3	11/12/2012
Update Rollup 8 for Exchange Server 2010 SP1	14.1.438.0	12/10/2012

Exchange Server 2010 Service Pack 2

Product name	Build number	Date	KB
Microsoft Exchange Server 2010 SP2	14.2.247.5	12/4/2011
Update Rollup 1 for Exchange Server 2010 SP2	14.2.283.3	2/13/2012
Update Rollup 2 for Exchange Server 2010 SP2	14.2.298.4	4/16/2012
Update Rollup 3 for Exchange Server 2010 SP2	14.2.309.2	5/29/2012
Update Rollup 4 for Exchange Server 2010 SP2	14.2.318.2	8/13/2012
Update Rollup 4-v2 for Exchange Server 2010 SP2	14.2.318.4	10/9/2012
Update Rollup 5 for Exchange Server 2010 SP2	14.2.328.5	11/13/2012
Update Rollup 5-v2 for Exchange Server 2010 SP2	14.2.328.10	12/10/2012
Update Rollup 6 for Exchange Server 2010 SP2	14.2.342.3	2/11/2013
Update Rollup 7 for Exchange Server 2010 SP2	14.2.375.0	8/13/2013
Update Rollup 8 for Exchange Server 2010 SP2	14.2.390.3	12/10/2013

Exchange Server 2010 Service Pack 3

Product name	Build number	Date	KB
Microsoft Exchange Server 2010 SP3	14.3.123.4	2/12/2013
Update Rollup 1 for Exchange Server 2010 SP3	14.3.146.0	5/29/2013
Update Rollup 2 for Exchange Server 2010 SP3	14.3.158.1	8/13/2013
Update Rollup 3 for Exchange Server 2010 SP3	14.3.169.1	11/25/2013
Update Rollup 4 for Exchange Server 2010 SP3	14.3.174.1	12/10/2013
Update Rollup 5 for Exchange Server 2010 SP3	14.3.181.6	2/25/2014
Update Rollup 6 for Exchange Server 2010 SP3	14.3.195.1	5/23/2014
Update Rollup 7 for Exchange Server 2010 SP3	14.3.210.2	8/26/2014
Update Rollup 8-v2 for Exchange Server 2010 SP3	14.3.224.2	12/12/2014
Update Rollup 9 for Exchange Server 2010 SP3	14.3.235.1	3/17/2015
Update Rollup 10 for Exchange Server 2010 SP3	14.3.248.2	6/16/2015
Update Rollup 11 for Exchange Server 2010 SP3	14.3.266.1	9/11/2015
Update Rollup 12 for Exchange Server 2010 SP3	14.3.279.2	12/10/2015
Update Rollup 13 for Exchange Server 2010 SP3	14.3.294.0	3/14/2016
Update Rollup 14 for Exchange Server 2010 SP3	14.3.301.0	6/15/2016
Update Rollup 15 for Exchange Server 2010 SP3	14.3.319.2	9/13/2016
Update Rollup 16 for Exchange Server 2010 SP3	14.3.339.0	12/12/2016
Update Rollup 17 for Exchange Server 2010 SP3	14.3.352.0	3/20/2017
Update Rollup 18 for Exchange Server 2010 SP3	14.3.361.1	7/6/2017