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 | 10/01/2015 |
Exchange Server 2007 Service Pack 1
| Product name | Build number | Date | KB |
| Microsoft Exchange Server Exchange 2007 SP1 | 8.1.240.6 | 11/29/2007 | |
| Update Rollup 1 for Exchange Server 2007 Service Pack 1 | 8.1.263.1 | 2/28/2008 | KB945684  |
| Update Rollup 2 for Exchange Server 2007 Service Pack 1 | 8.1.278.2 | 5/8/2008 | KB948016 |
| Update Rollup 3 for Exchange Server 2007 Service Pack 1 | 8.1.291.2 | 7/8/2008 | KB949870 |
| Update Rollup 4 for Exchange Server 2007 Service Pack 1 | 8.1.311.3 | 10/7/2008 | KB952580 |
| Update Rollup 5 for Exchange Server 2007 Service Pack 1 | 8.1.336.1 | 11/20/2008 | KB953467 |
| Update Rollup 6 for Exchange Server 2007 Service Pack 1 | 8.1.340.1 | 2/10/2009 | KB959241 |
| Update Rollup 7 for Exchange Server 2007 Service Pack 1 | 8.1.359.2 | 3/18/2009 | KB960384 |
| Update Rollup 8 for Exchange Server 2007 Service Pack 1 | 8.1.375.2 | 5/19/2009 | KB968012 |
| Update Rollup 9 for Exchange Server 2007 Service Pack 1 | 8.1.393.1 | 7/17/2009 | KB970162 |
| Update Rollup 10 for Exchange Server 2007 Service Pack 1 | 8.1.436.0 | 4/9/2010 | KB981407 |
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 Service Pack 2 | 8.2.217.3 | 11/19/2009 | KB971534 |
| Update Rollup 2 for Exchange Server 2007 Service Pack 2 | 8.2.234.1 | 1/22/2010 | KB972076 |
| Update Rollup 3 for Exchange Server 2007 Service Pack 2 | 8.2.247.2 | 3/17/2010 | KB979784 |
| Update Rollup 4 for Exchange Server 2007 Service Pack 2 | 8.2.254.0 | 4/9/2010 | KB981383 |
| Update Rollup 5 for Exchange Server 2007 Service Pack 2 | 8.2.305.3 | 12/7/2010 | KB2407132 |
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 Service Pack 3 | 8.3.106.2 | 9/9/2010 | KB2279665 |
| Update Rollup 2 for Exchange Server 2007 Service Pack 3 | 8.3.137.3 | 12/10/2010 | KB2407025 |
| Update Rollup 3 for Exchange Server 2007 Service Pack 3 | 8.3.159.0 | 3/2/2011 | KB2492691 |
| Update Rollup 3-v2 for Exchange Server 2007 Service Pack 3 | 8.3.159.2 | 3/30/2011 | KB2530488 |
| Update Rollup 4 for Exchange Server 2007 Service Pack 3 | 8.3.192.1 | 7/7/2011 | KB2509911 |
| Update Rollup 5 for Exchange Server 2007 Service Pack 3 | 8.3.213.1 | 9/21/2011 | KB2602324 |
| Update Rollup 6 for Exchange Server 2007 Service Pack 3 | 8.3.245.2 | 1/25/2012 | KB2608656 |
| Update Rollup 7 for Exchange Server 2007 Service Pack 3 | 8.3.264.0 | 4/16/2012 | KB2655203 |
| Update Rollup 8 for Exchange Server 2007 Service Pack 3 | 8.3.279.3 | 8/13/2012 | KB2734232 |
| Update Rollup 8-v2 for Exchange Server 2007 Service Pack 3 | 8.3.279.5 | 10/9/2012 | KB2756497 |
| Update Rollup 8-v3 for Exchange Server 2007 Service Pack 3 | 8.3.279.6 | 11/13/2012 | KB2778154 |
| Update Rollup 9 for Exchange Server 2007 Service Pack 3 | 8.3.297.2 | 12/10/2012 | KB2746157 |
| Update Rollup 10 for Exchange Server 2007 Service Pack 3 | 8.3.298.3 | 2/11/2013 | KB2788321 |
| Update Rollup 11 for Exchange Server 2007 Service Pack 3 | 8.3.327.1 | 8/13/2013 | KB28737461 |
| Update Rollup 12 for Exchange Server 2007 Service Pack 3 | 8.3.342.4 | 12/10/2013 | KB2903911 |
| Update Rollup 13 for Exchange Server 2007 Service Pack 3 | 8.3.348.1 | 2/25/2014 | KB2917522 |
| Update Rollup 14 for Exchange Server 2007 Service Pack 3 | 8.3.379.2 | 8/26/2014 | KB2936861 |
| Update Rollup 15 for Exchange Server 2007 Service Pack 3 | 8.3.389.2 | 12/9/2014 | KB2996150 |
| Update Rollup 16 for Exchange Server 2007 Service Pack 3 | 8.3.406.0 | 3/17/2015 | KB3030086 |
| Update Rollup 17 for Exchange Server 2007 Service Pack 3 | 8.3.417.1 | 6/16/2015 | KB3056710 |
| Update Rollup 18 for Exchange Server 2007 Service Pack 3 | 8.3.445.0 | 12/10/2015 | KB3078672 |
| Update Rollup 19 for Exchange Server 2007 Service Pack 3 | 8.3.459.0 | 3/14/2016 | KB3141352 |
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 | 14.0.682.1 | 12/9/2009 | KB976573 |
| Update Rollup 2 for Exchange Server 2010 | 14.0.689.0 | 3/4/2010 | KB979611 |
| Update Rollup 3 for Exchange Server 2010 | 14.0.694.0 | 4/9/2010 | KB981401 |
| Update Rollup 4 for Exchange Server 2010 | 14.0.702.1 | 6/17/2010 | KB982639 |
| Update Rollup 5 for Exchange Server 2010 | 14.0.726.0 | 12/13/2010 | KB2407113 |
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 | KB2407028 |
| Update Rollup 2 for Exchange Server 2010 SP1 | 14.1.270.1 | 12/9/2010 | KB2425179 |
| Update Rollup 3 for Exchange Server 2010 SP1 | 14.1.289.3 | 3/7/2011 | KB2492690 |
| Update Rollup 3-v3 for Exchange Server 2010 SP1 | 14.1.289.7 | 4/1/2011 | KB2529939 |
| Update Rollup 4 for Exchange Server 2010 SP1 | 14.1.323.1 | 6/22/2011 | KB2509910 |
| Update Rollup 4-v2 for Exchange Server 2010 SP1 | 14.1.323.6 | 7/27/2011 | KB2579150 |
| Update Rollup 5 for Exchange Server 2010 SP1 | 14.1.339.1 | 8/23/2011 | KB2582113 |
| Update Rollup 6 for Exchange Server 2010 SP1 | 14.1.355.2 | 10/27/2011 | KB2608646 |
| Update Rollup 7 for Exchange Server 2010 SP1 | 14.1.421.0 | 8/13/2012 | KB2743248 |
| Update Rollup 7-v2 for Exchange Server 2010 SP1 | 14.1.421.2 | 10/9/2012 | KB2756496 |
| Update Rollup 7-v3 for Exchange Server 2010 SP1 | 14.1.421.3 | 11/12/2012 | KB2778158 |
| Update Rollup 8 for Exchange Server 2010 SP1 | 14.1.438.0 | 12/10/2012 | KB2787763 |
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 | KB2645995 |
| Update Rollup 2 for Exchange Server 2010 SP2 | 14.2.298.4 | 4/16/2012 | KB2661854 |
| Update Rollup 3 for Exchange Server 2010 SP2 | 14.2.309.2 | 5/29/2012 | KB2685289 |
| Update Rollup 4 for Exchange Server 2010 SP2 | 14.2.318.2 | 8/13/2012 | KB2706690 |
| Update Rollup 4-v2 for Exchange Server 2010 SP2 | 14.2.318.4 | 10/9/2012 | KB2756485 |
| Update Rollup 5 for Exchange Server 2010 SP2 | 14.2.328.5 | 11/13/2012 | KB2719800 |
| Update Rollup 5-v2 for Exchange Server 2010 SP2 | 14.2.328.10 | 12/10/2012 | KB2785908 |
| Update Rollup 6 for Exchange Server 2010 SP2 | 14.2.342.3 | 2/11/2013 | KB2746164 |
| Update Rollup 7 for Exchange Server 2010 SP2 | 14.2.375.0 | 8/13/2013 | KB2874216 |
| Update Rollup 8 for Exchange Server 2010 SP2 | 14.2.390.3 | 12/10/2013 | KB2903903 |
Exchange Server 2010 Service Pack 3
| Product name | Build number | Date | KB |
| Microsoft Exchange Server 2010 SP3 | 14.3.123.4 | 2/12/2013 | KB2808208 |
| Update Rollup 1 for Exchange Server 2010 SP3 | 14.3.146.0 | 5/29/2013 | KB2803727 |
| Update Rollup 2 for Exchange Server 2010 SP3 | 14.3.158.1 | 8/13/2013 | KB2866475 |
| Update Rollup 3 for Exchange Server 2010 SP3 | 14.3.169.1 | 11/25/2013 | KB2891587 |
| Update Rollup 4 for Exchange Server 2010 SP3 | 14.3.174.1 | 12/10/2013 | KB2905616 |
| Update Rollup 5 for Exchange Server 2010 SP3 | 14.3.181.6 | 2/25/2014 | KB2917508 |
| Update Rollup 6 for Exchange Server 2010 SP3 | 14.3.195.1 | 5/23/2014 | KB2936871 |
| Update Rollup 7 for Exchange Server 2010 SP3 | 14.3.210.2 | 8/26/2014 | KB2961522 |
| Update Rollup 8-v2 for Exchange Server 2010 SP3 | 14.3.224.2 | 12/12/2014 | KB2986475 |
| Update Rollup 9 for Exchange Server 2010 SP3 | 14.3.235.1 | 3/17/2015 | KB3030085 |
| Update Rollup 10 for Exchange Server 2010 SP3 | 14.3.248.2 | 6/16/2015 | KB3049853 |
| Update Rollup 11 for Exchange Server 2010 SP3 | 14.3.266.1 | 9/11/2015 | KB3078674 |
| Update Rollup 12 for Exchange Server 2010 SP3 | 14.3.279.2 | 12/10/2015 | KB3096066 |
| Update Rollup 13 for Exchange Server 2010 SP3 | 14.3.294.0 | 3/14/2016 | KB3141339 |
| Update Rollup 14 for Exchange Server 2010 SP3 | 6/15/2016 | KB3151097 |
Exchange Server 2013
| Product Name | Build Number | Date [mm/dd/yyyy] |
KB |
| Microsoft Exchange Server 2013 RTM | 15.0.516.32 | 12/03/2012 | |
| Exchange Server 2013 Cumulative Update 1 (CU1) | 15.0.620.29 | 04/02/2013 | KB2816900  |
| Exchange Server 2013 Cumulative Update 2 (CU2) | 15.0.712.24 | 07/09/2013 | KB2859928 |
| Exchange Server 2013 Cumulative Update 3 (CU3) | 15.0.775.38 | 11/25/2013 | KB2892464 |
| Exchange Server 2013 Service Pack 1 (SP1 aka CU4) | 15.0.847.32 | 02/25/2014 | KB2926248 |
| Exchange Server 2013 Cumulative Update 5 (CU5) | 15.0.913.22 | 05/27/2014 | KB2936880 |
| Exchange Server 2013 Cumulative Update 6 (CU6) | 15.0.995.29 | 08/26/2014 | KB2961810 |
| Exchange Server 2013 Cumulative Update 7 (CU7) | 15.0.1044.25 | 12/09/2014 | KB2986485 |
| Exchange Server 2013 Cumulative Update 8 (CU8) | 15.0.1076.9 | 03/17/2015 | KB3030080 |
| Exchange Server 2013 Cumulative Update 9 (CU9) | 15.0.1104.5 | 06/16/2015 | KB3049849 |
| Exchange Server 2013 Cumulative Update 10 (CU10) | 15.0.1130.7 | 09/14/2015 | KB3078678 |
| Exchange Server 2013 Cumulative Update 11 (CU11) | 15.0.1156.6 | 12/10/2015 | KB3099522 |
| Exchange Server 2013 Cumulative Update 12 (CU12) | 15.0.1178.4 | 3/14/2016 | KB3108023 |
Exchange Server 2016
| Product Name | Build Number | Date[mm/dd/yyyy] | KB |
| Exchange Server 2016 Preview | 15.1.225.16 | 6/22/2015 | |
| Exchange Server 2016 RTM | 15.1.225.42 | 10/01/2015 | |
| Exchange Server 2016 Cumulative Update 1 | 15.1.396.30 | 3/14/2016 | KB3134844 |
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