Build numbers and release dates for Exchange Server

I came across this 158530 Microsoft Knowledge base some time ago and have only just got around to posting, I have republished here for easier reading.

Version Description

Version Number

General Release Date

Exchange Server  4.0      

4.0.837              

April 1996

Microsoft Exchange Server  4.0 (a)                

4.0.993    

August 1996

Microsoft Exchange Server  4.0 SP1          

4.0.838

May 1996

Microsoft Exchange Server  4.0 SP2

4.0.993

August 1996

Microsoft Exchange Server  4.0 SP3                 

4.0.994

November 1996

Microsoft Exchange Server  4.0 SP4

4.0.995

April 1997

Microsoft Exchange Server  4.0 SP5

4.0.996

May 1998

Microsoft Exchange Server  5.0

5.0.1457

March 1997

Microsoft Exchange Server  5.0 SP1

5.0.1458

June 1997

Microsoft Exchange Server  5.0 SP2

5.0.1460 

February 1998

Microsoft Exchange Server  5.5

5.5.1960

November 1997

Microsoft Exchange Server  5.5 SP1

5.5.2232

July 1998

Microsoft Exchange Server  5.5 SP2

5.5.2448

December 1998

Microsoft Exchange Server  5.5 SP3

5.5.2650

September 1999

Microsoft Exchange Server  5.5 SP4

5.5.2653

November 2000

Microsoft Exchange 2000 Server

6.0.4417

October 2000

Microsoft Exchange 2000 Server (a)                 

6.0.4417

January 2001

Microsoft Exchange 2000 Server SP1

6.0.4712

July 2001

Microsoft Exchange 2000 Server SP2

6.0.5762

December 2001

Microsoft Exchange 2000 Server SP3

6.0.6249

August 2002

Microsoft Exchange 2000 Server post-SP3

6.0.6487

September 2003

Microsoft Exchange 2000 Server post-SP3

6.0.6556

April 2004

Microsoft Exchange 2000 Server post-SP3

6.0.6603

August 2004

Microsoft Exchange 2000 Server post-SP3

6.0.6620.5

March 2008

Microsoft Exchange 2000 Server post-SP3

6.0.6620.7

August 2008

Microsoft Exchange Server  2003

6.5.6944

October 2003

Microsoft Exchange Server  2003 SP1

6.5.7226

May 2004

Microsoft Exchange Server  2003 SP2

6.5.7638

October 2005

Microsoft Exchange Server  2003 post-SP2

6.5.7653.33

March 2008

Microsoft Exchange Server  2003 post-SP2

6.5.7654.4

August 2008  

Microsoft Exchange Server  2007

8.0.685.24 or 8.0.685.25

December 2006

Microsoft Exchange Server  2007 SP1

8.1.0240.006

November 2007

Microsoft Exchange Server  2007 SP2

8.2.0176.002

August 2009

Microsoft Exchange Server  2007 SP3

8.3.0083.006

June  2010

Microsoft Exchange Server  2010

14.00.0639.021

October 2009

Microsoft Exchange Server  2010 SP1

14.01.0218.015

August 2010

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