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Exchange & Outlook Build Info

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Since the first release of Microsoft Exchange Server and Microsoft Outlook, Microsoft has released many updates and service packs. Most of them also include updates for the old Microsoft Exchange client and Microsoft Outlook which is the premier messaging client of Microsoft.

The following list is an overview of the available public Microsoft Exchange and Microsoft Outlook builds. The list also includes useful information which should help an administrator to determine the build info of a client that is logged-on to the Microsoft Exchange Server.

To check the build on the Microsoft Exchange Server start the Microsoft Exchange Server admin program and select 'Logons' under 'Private Information Store' of your particular server.

 

Exchange: 2003 | 2007  Outlook: 2003 | 2007

Exchange 2010

Beginning with Exchange 2010, the version numbers are the same as Office.

Exchange Admin Build

Comments

14.00.0694.000 Released to manufacturing October 8 2009
   
   

Exchange 2007

Exchange Admin Build

Comments

8.0.685.25 Exchange 2007 RTM Released Nov 2006
8.1.240.6 SP1  Released November 2007
8.1.278.2 Update Rollup 2 (for SP1)
8.1.311.3 Update Rollup 4 (for SP1)
8.1.340.1 Update Rollup 6 (for SP1)
   

Exchange 2003

Exchange Admin Build

Comments

6.5.6944.4 Exchange 2003. Initial Release July 2003. RTM
6.5.7226.6 SP1. Released May 2004
6.5.7638 SP2  October 2005
   

Outlook 2010

Outlook Build

Comments

14.0.4760.1000 Released to Manufacturing April 16 2010
   
   
   
   
   
   

Outlook 2007

Outlook 2007 is Version 12.0. Beginning with Outlook 2007, the versions reported in Outlook and in the Exchange administrator are identical.

Outlook Build

 

Comments

12.0.4518.1014   Outlook 2007. Initial release. Nov 2006. RTM Version
12.0.6014.5000   April 13, 2007 Update to fix calendar and performance issues. See KB 933493
12.0.6300.5000   SP1 Released 12/2007
12.0.6316.5000  

iCalendar and IMAP update released May 29, 2008. Also adds yearly recurrences to Recurring appointment dialog.  See KB 950219

12.0.6341.5000   February 24, 2009 pre-SP2 Cumulative Update
12.0.6504.5000   SP2
12.0.6510.5000   June 30 2009 hotfix - see KB 970944

Outlook 2003

Outlook 2003 is Version 11.0

Outlook Build

Exchange Admin Build

Comments

11.5608.5606 11.0.5604 Initial release Oct. 2003. RTM build.
Note that Internet header field X-Mailer reports Build 11.0.5510
11.5608.5703 11.0.5604 Outlook 2003 with critical update released on 11.4.2003. See KB828041.
Note that Internet header field X-Mailer reports Build 11.0.5510
11.6359.6360 11.0.6353 Outlook 2003 SP1, released August 2003. The Internet header reports "X-Mailer: Microsoft Office Outlook, Build 11.0.6353"
11.8206.8202   Outlook 2003 SP3
11.8217.8202   Update released July 8, 2008 KB 953432
11.8217.8221    
11.    

More Information

All Service Packs are available for download from the Microsoft Download Center or Microsoft Update

If you want to know which CDO version shipped with a specific Exchange & Outlook version, please take a look at 'Digging deeper into CDO', Versions.

Build information for older versions of Exchange server and Outlook are listed at CDOLive.com.

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Updated Thursday April 22 2010 
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