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2019 CU12 May22SU 3 years and 10 months ago
(22 Oct 2018)
Ends in 1 year and 4 months
(09 Jan 2024)
Ends in 3 years
(14 Oct 2025)
15.2.1118.9
2016 CU23 May22SU 6 years and 10 months ago
(01 Oct 2015)
Ended 1 year and 10 months ago
(13 Oct 2020)
Ends in 3 years
(14 Oct 2025)
15.1.2507.9
2013 CU23 May22SU 9 years ago
(09 Jan 2013)
Ended 4 years ago
(10 Apr 2018)
Ends in 7 months and 3 weeks
(11 Apr 2023)
15.0.1497.36
2010 SP3 UR32 12 years ago
(09 Nov 2009)
Ended 7 years ago
(13 Jan 2015)
Ended 1 year and 10 months ago
(13 Oct 2020)
14.3.513.0
2007 SP3 UR23 15 years ago
(08 Mar 2007)
Ended 10 years ago
(10 Apr 2012)
Ended 5 years ago
(11 Apr 2017)
8.3.517.0
2003 SP2 18 years ago
(28 Sep 2003)
Ended 13 years ago
(14 Apr 2009)
Ended 8 years ago
(08 Apr 2014)
6.5.7654.4
2000 SP3 21 years ago
(29 Nov 2000)
Ended 16 years ago
(31 Dec 2005)
Ended 11 years ago
(11 Jan 2011)
6.0.6620.7
5.5 SP4 24 years ago
(03 Feb 1998)
Ended 18 years ago
(31 Dec 2003)
Ended 16 years ago
(10 Jan 2006)
5.5.2653
5.0 SP2 25 years ago
(23 May 1997)
Ended 18 years ago
(31 Dec 2003)
Ended 16 years ago
(10 Jan 2006)
5.0.1460
4.0 SP5 26 years ago
(11 Jun 1996)
No No 4.0.996

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft.

Exchange Server build numbers and release dates

CU: Cumulative Update SU: Security Update UR: Update Rollup

The 2013 version was the last to which Service Pack (SP) appeared. As of 2016 onwards, only CU and SU updates will be available.

More information is available on the Microsoft Exchange website.

You should be running one of the supported release numbers listed above in the rightmost column.

You can check the version that you are currently using by running:
Get-ExchangeServer | Format-List Name,Edition,AdminDisplayVersion

You can submit an improvement to this page on GitHub. This page has a corresponding Talk Page.

A JSON version of this page is available at /api/msexchange.json. See the API Documentation for more.