The following versions of Outlook are fully supported on Windows 7 (32-bit and 64-bit);
- Outlook 2003
- Outlook 2007
- Outlook 2010
(the 64-bit version of Outlook 2010 also requires the 64-bit version of Windows 7)
It is recommended to always fully update your version of Outlook directly after installing to take care of any incompatibility issues that have been fixed.