Exchange Server Version Numbers

A list of all versions of Exchange server released so far including version numbers.

Friendly name Version number
Microsoft Exchange Server  4.0 4.0.837
Microsoft Exchange Server  4.0 (a) 4.0.993
Microsoft Exchange Server  4.0 SP1 4.0.838
Microsoft Exchange Server  4.0 SP2 4.0.993
Microsoft Exchange Server 4.0 SP3 4.0.994
Microsoft Exchange Server 4.0 SP4 4.0.995
Microsoft Exchange Server 4.0 SP5 4.0.996
   
Microsoft Exchange Server 5.0 5.0.1457
Microsoft Exchange Server 5.0 SP1 5.0.1458
Microsoft Exchange Server 5.0 SP2 5.0.1460
   
Microsoft Exchange Server 5.5 5.5.1960
Microsoft Exchange Server 5.5 SP1 5.5.2232
Microsoft Exchange Server 5.5 SP2 5.5.2448
Microsoft Exchange Server 5.5 SP3 5.5.2650
Microsoft Exchange Server 5.5 SP4 5.5.2653
   
Microsoft Exchange 2000 Server 6.0.4417
Microsoft Exchange 2000 Server (a) 6.0.4417
Microsoft Exchange 2000 Server SP1 6.0.4712
Microsoft Exchange 2000 Server SP2 6.0.5762
Microsoft Exchange 2000 Server SP3 6.0.6249
Microsoft Exchange 2000 Server post-SP3 6.0.6487
Microsoft Exchange 2000 Server post-SP3 6.0.6556
Microsoft Exchange 2000 Server post-SP3 6.0.6603
Microsoft Exchange 2000 Server post-SP3 6.0.6620.5
Microsoft Exchange 2000 Server post-SP3 6.0.6620.7
   
Microsoft Exchange Server 2003 6.5.6944
Microsoft Exchange Server 2003 SP1 6.5.7226
Microsoft Exchange Server 2003 SP2 6.5.7638
Microsoft Exchange Server 2003 post-SP2 6.5.7653.33
Microsoft Exchange Server 2003 post-SP2 6.5.7654.4
   
Microsoft Exchange Server 2007 8.0.685.24 or 8.0.685.25
Microsoft Exchange Server 2007 SP1 8.1.0240.006
Microsoft Exchange Server 2007 SP2 8.2.0176.002
Microsoft Exchange Server 2007 SP3 8.3.0083.006
   
Microsoft Exchange Server 2010 14.00.0639.021
Microsoft Exchange Server 2010 SP1 14.01.0218.015