You can use the information in this article to verify the version of Exchange that is running in your organization.

This article is organized in sections that correspond to the major releases of Exchange. Each section lists build numbers for each Service Pack (SP), Cumulative Update (CU), Security Update (SU), or Update Rollup (RU) of the specific Exchange release.

Links for the available downloads are also included.

Be sure to visit Messageware Security Products for Microsoft Exchange Server. All enterprises with Exchange Servers should add security that provides on-premise systems with logon intelligence and security controls protecting the most widely used Exchange Server services, including OWA / Outlook Web, ECP, Autodiscover, ActiveSync, EWS, OAB, MAPI, Outlook Anywhere. Critical additions for all enterprises including those who believe they are protected by multi-factor authentication (MFA/2FA).

Exchange Server 2019

The table in this section provides build numbers and general release dates for each version of Microsoft Exchange Server 2019.

Exchange Server VersionBuild NumberRelease DateKB & Link
Exchange Server 2019 CU12 Aug 22SU15.2.1118.12
15.02.1118.012
August 9, 2022KB5015322
Exchange Server 2019 CU12 May 22 SU15.2.1118.9
15.02.1118.009
May 10, 2022KB5014261
Exchange Server 2019 CU1215.2.1118.7
15.02.1118.007
April 20, 2022KB5011156
Exchange Server 2019 CU11 Mar 22 SU15.2.986.22
15.02.0986.022
March 8, 2022KB5012698
Exchange Server 2019 CU11 Jan 22 SU15.2.986.15
15.02.0986.015
January 11, 2022KB5008631
Exchange Server 2019 CU11
Nov 21 SU
15.2.986.14
15.02.0986.014
Nov 9, 2021KB5007409
Exchange Server 2019 CU11
Oct 21 SU
15.2.986.9
15.02.0986.009
October 12, 2021KB5007012
Exchange Server 2019 CU1115.2.986.5
15.02.0986.005
Sept 28, 2001KB5005334
Exchange Server 2019 CU10 Jan 22 SU15.2.922.20
15.02.0922.020
January 11, 2022KB5008631
Exchange Server 2019 CU10
Nov 21 SU
15.2.922.19
15.02.0922.019
Nov 9, 2021KB5007409
Exchange Server 2019 CU10 Oct 21 SU15.2.922.14
15.02.0922.014
October 12, 2021KB5007012
Exchange Server 2019 CU10 Jul 21 SU15.2.922.13
15.02.0922.013
July 13, 2021KB5004780
Exchange Server 2019 CU1015.2.922.7
15.02.0922.007
June 29, 2021KB5003612
Exchange Server 2019 CU9
Jul 21 SU
15.2.858.15
15.02.0858.015
July 13, 2021KB5004780
Exchange Server 2019 CU9
May 2 SU
15.2.858.12
15.02.0858.012
May 11, 2021KB5003435
Exchange Server 2019 CU9
Apr 2 SU
15.2.858.10
15.02.0858.010
April 13, 2021KB5001779
Exchange Server 2019 CU915.2.858.5
15.02.0858.005
March 16, 2021KB4602570
Exchange Server 2019 CU8
May 21 SU
15.2.792.15
15.02.0792.015
May 11, 2021KB5003435
Exchange Server 2019 CU8
Apr 21 SU
15.2.792.13
15.02.0792.013
April 13, 2021KB5001779
Exchange Server 2019 CU8
Mar 21 SU
15.2.792.10
15.02.0792.010
March 2, 2021KB5000871
Exchange Server 2019 CU815.2.792.3
15.02.0792.003
December 15, 2020KB5001779
Exchange Server 2019 CU7
Mar 21 SU
15.2.721.13
15.02.0721.013
March 2, 2021KB5000871
Exchange Server 2019 CU715.2.721.2
15.02.0721.002
September 15, 2020KB4571787
Exchange Server 2019 CU6
Mar 21 SU
15.2.659.12
15.02.0659.012
March 2, 2021KB5000871

Exchange Server 2016

Exchange Server VersionBuild NumberRelease DateKB & Link
 Exchange Server 2016 CU23 Aug22SU15.1.2507.12
15.01.2507.012
August 9, 2022KB5015322
Exchange Server 2016 CU23 May22SU15.1.2507.9
15.01.2507.009
May 10, 2022KB5014261
Exchange Server 2016 CU2315.1.2507.6
15.01.2507.006
April 20, 2022KB5011155
Exchange Server 2016 CU22 Mar 22 SU15.1.2375.24
15.01.2375.024
March 8, 2022KB5012698
Exchange Server 2016 CU22 Jan 22 SU15.1.2375.18
15.01.2375.018
January 11, 2022KB5008631
Exchange Server 2016 CU22 Nov 21 SU15.1.2375.17
15.01.2375.017
November 9, 2021KB5007409
Exchange Server 2016 CU22 Oct 21 SU15.1.2375.12
15.01.2375.012
October 12, 2021KB5007012
Exchange Server 2016 CU2215.1.2375.7
15.01.2375.007
September 28, 2021KB5005333
Exchange Server 2016 CU21 Jan 22 SU15.1.2308.21
15.01.2308.021
January 11, 2022KB5008631
Exchange Server 2016 CU21 Nov 21 SU15.1.2308.20
15.01.2308.020
November 9, 2021KB5007409
Exchange Server 2016 CU21 Oct 21 SU15.1.2308.15
115.01.2308.015
October 12, 2021KB5007012
Exchange Server 2016 CU21 Jul 21 SU15.1.2308.14
15.01.2308.014
July 13, 2021KB5004779
Exchange Server 2016 CU2115.1.2308.8
15.01.2308.008
June 29, 2021KB5003611
Exchange Server 2016 CU20 May 21 SU15.1.2242.10
15.01.2242.010
May 11, 2021KB5003435
Exchange Server 2016 CU20 Apr 21 SU15.1.2242.8
15.01.2242.008
April 13, 2021KB5001779
Exchange Server 2016 CU2015.1.2242.4
15.01.2242.004
March 16, 2021KB4602569
Exchange Server 2016 CU19 May 21 SU15.1.2176.14
15.01.2176.014
May 11, 2021KB5003435
Exchange Server 2016 CU19 Apr 21 SU15.1.2176.12
15.01.2176.012
April 13, 2021KB5001779
Exchange Server 2016 CU19 Mar 21 SU15.2.792.3
15.02.0792.003
March 2, 2021KB5000871
Exchange Server 2016 CU1915.1.2176.2
15.01.2176.002
December 7, 2020KB4588884
Exchange Server 2016 CU18 Mar 21 SU15.1.2106.13
15.01.2106.013
March 2, 2021KB5000871
Exchange Server 2016 CU1815.1.2106.2
15.01.2106.002
September 15, 2020

KB4571788

Exchange Server 2013

Exchange Server VersionBuild NumberRelease DateKB & Link
Exchange Server 2013 CU23 Aug22SU15.0.1497.40
15.00.1497.040
August 9, 2022KB5015321
Exchange Server 2013 CU23 May22SU15.0.1497.36
15.00.1497.036
May 10, 2022KB5014260
Exchange Server 2013 CU23 Mar 22 SU15.0.1497.33
15.00.1497.033
March 8, 2022KB5010324
Exchange Server 2013 CU23 Jan 22 SU15.0.1497.28
15.00.1497.028
January 11, 2022KB5008631
Exchange Server 2013 CU23 Nov 21 SU15.0.1497.26
15.00.1497.026
November 9, 2021KB5007409
Exchange Server 2013 CU23 Oct 21 SU15.0.1497.24
15.00.1497.024
October 12, 2021KB5007011
Exchange Server 2013 CU23 Jul 21 SU15.0.1497.23
15.00.1497.023
July 13, 2021KB5004778
Exchange Server 2013 CU23 May 21 SU15.0.1497.18
15.00.1497.018
May 11, 2021KB5003435
Exchange Server 2013 CU23 Apr 21 SU15.0.1497.15
15.00.1497.015
April 13, 2021KB5001779
Exchange Server 2013 CU23 Mar 21 SU15.0.1497.12
15.00.1497.012
March 2, 2021KB5000871
Exchange Server 2013 CU2315.0.1497.2
15.00.1497.002
June 18, 2019KB4489622
Exchange Server 2013 CU22 Mar 21 SU15.0.1473.6
15.00.1473.006
March 2, 2021KB5000871
Exchange Server 2013 CU2215.0.1473.3
15.00.1473.003
February 12, 2019 
Exchange Server 2013 CU21 Mar 21 SU15.0.1395.12
15.00.1395.012
March 2, 2021KB5000871
Exchange Server 2013 CU2115.0.1395.4
15.00.1395.004
June 19, 2018 
Exchange Server 2013 CU2015.0.1367.3
15.00.1367.003
March 20, 2018 
Exchange Server 2013 CU1915.0.1365.1
15.00.1365.001
December 19, 2017

KB4092041

Exchange Server 2010

Exchange Server 2010 SP3 build numbers

Exchange Server VersionBuild NumberRelease DateKB & Link
Update Rollup 32 for Exchange Server 2010 SP314.3.513.0
14.03.0513.000
March 2, 2021KB5000978
Update Rollup 31 for Exchange Server 2010 SP314.3.509.0
14.03.0509.000
December 1, 2020KB4593467
Update Rollup 30 for Exchange Server 2010 SP314.3.496.0
14.03.0496.000
February 11, 2020KB4536989