Table of Contents

Introduction

This Wiki page lists the Exchange Server 2013 / 2016 / 2019 and Cumulative Updates (CUs) build numbers with release dates and KB respectively.

Update on Exchange 2013 Cumulative Updates

More about Exchange 2013 Cumulative Updates (CUs) see MS Exchange Team Blog post Servicing Exchange 2013.

Exchange 2013, 2016 and 2019 Cumulative Updates include all Exchange binaries so you need to download only the latest CU.

You don't need to install Exchange Server RTM first.
 
 Note
In this article, release dates are in Month/Day/Year format.
 

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 2013 Cumulative Update 13 (CU13)  15.0.1210.3  6/20/2016  KB3135743
 Exchange Server 2013 Cumulative Update 14 (CU14)  15.0.1236.3  9/20/2016  KB3177670
 Exchange Server 2013 Cumulative Update 15 (CU15)  15.0.1263.5  12/13/2016  KB3197044
 Exchange Server 2013 Cumulative Update 16 (CU16)  15.0.1293.2  3/21/2017  KB4012112
 Exchange Server 2013 Cumulative Update 17 (CU17)  15.0.1320.4  6/27/2017  KB4012114
 Exchange Server 2013 Cumulative Update 18 (CU18)  15.0.1347.2  9/16/2017  KB4022631
 Exchange Server 2013 Cumulative Update 19 (CU19)  15.0.1365.1  12/19/2017  KB4037224
 Exchange Server 2013 Cumulative Update 20 (CU20)  15.0.1367.3  3/20/2018  KB4055221
 Exchange Server 2013 Cumulative Update 21 (CU21)  15.0.1395.4  6/19/2018  ​KB4099855

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 (CU1)  15.1.396.30  3/14/2016  KB3134844
 Exchange Server 2016 Cumulative Update 2 (CU2)  15.1.466.34  6/20/2016  KB3135742
 Exchange Server 2016 Cumulative Update 3 (CU3)  15.1.544.27  9/20/2016  KB3152589
 Exchange Server 2016 Cumulative Update 4 (CU4)  15.1.669.32  12/13/2016  KB3177106
 Exchange Server 2016 Cumulative Update 5 (CU5)  15.1.845.34  3/21/2017  KB4012106
 Exchange Server 2016 Cumulative Update 6 (CU6)  15.1.1034.26  6/27/2017  KB4012108
 Exchange Server 2016 Cumulative Update 7 (CU7)  15.1.1261.35  9/16/2017  KB4018115
 Exchange Server 2016 Cumulative Update 8 (CU8)  15.1.1415.2  12/17/2017  KB4035145
 Exchange Server 2016 Cumulative Update 9 (CU9)  15.1.1466.3  3/20/2018  KB4055222
 Exchange Server 2016 Cumulative Update 10 (CU10)  15.1.1531.3  6/19/2018  ​KB4099852
 Exchange Server 2016 Cumulative Update 11 (CU11)  15.1.1591.01  10/16/2018  KB413411

Exchange Server 2019

Product Name Build Number
Date
[mm/dd/yyyy]
 KB
 Exchange Server 2019 Preview  15.2.196.0  07/24/2018  
 Exchange Server 2019 RTM  15.2.221.12  10/14/2018

  • Build number can be checked using Get-ExchangeServer cmdlet

Get-ExchangeServer | Select Name, AdminDisplayVersion
  • Build number can be checked from ExSetup.exe file version information also
Get-Command Exsetup.exe | ForEach{$_.FileVersionInfo}

The below command will be given detailed information about the name, domain, edition, fqdn, server roles installed, site & admin display name.

Get-ExchangeServer | fl name, domain, edition, fqdn, serverrole, site, admindisplayversion

To check ExSetup.exe file version information on all Exchange servers remotely, use below command.

Get-ExchangeServer | Sort-Object Name | ForEach{ Invoke-Command -ComputerName $_.Name -ScriptBlock { Get-Command ExSetup.exe | ForEach{$_.FileVersionInfo } } } | Format-Table -Auto

In Exchange 2013 and Exchange 2016 you can also check build numbers in Exchange Admin Center (EAC).

In EAC click on "servers" category on the left side and then click on "servers" pane.

Earlier Versions

For update detail regarding earlier versions of Exchange Server (2003-2010), visit the Wiki page Exchange Server and Update Rollups Build Numbers

See Also