- Start Outlook.
- On the Help menu, click About Microsoft Office Outlook.
- Verify the version information and the build number to determine the version of Outlook that is installed on your computer.
The following information lists the version information and the build numbers for the U.S. versions of Microsoft Outlook.
Outlook 2013 version information
|Outlook 2013 version||Description|
|Outlook 2013 (15.0.4481.1510)||This is the original RTM release of Outlook 2013.|
Outlook 2010 version information
|Outlook 2010 version||Description|
|Outlook 2010 (14.0.4763.1000)||This is the original RTM release of Outlook 2010.|
Outlook 2007 version information
|Outlook 2007 version||Description|
|Outlook 2007 (12.4518.1014)||This is the original RTM release of Outlook 2007. |
Outlook 2003 version information
|Outlook 2003 version||Description|
|Outlook 2003 (11.0.5608.5606)||The original release version of Outlook 2003 was released in October of 2003. |
|Outlook 2003 (11.0.5608.5703)||This is a Microsoft Office 2003 critical update that was released on November 4, 2003. |
For more information about the Office critical update, click the following article number to view the article in the Microsoft Knowledge Base:
828041 Description of the Office 2003 critical update: November 4, 2003
|Outlook 2003 (11.6359.6360)||This is the Microsoft Office 2003 Service Pack 1 release version.|
|Outlook 2003 (11.6568.6568)||This is the Microsoft Office 2003 Service Pack 2 release version.|