In order to address time zone changes, this utility will help adjust calendar items in Microsoft Outlook after the operating system has been updated with new time zone definitions. The utility can be used for general adjustments of calendar items based on changes in your time zone saved in Windows or by making a permanent move to another time zone. This version addresses several issues reported by Microsoft Outlook calendar users while using the previous version of the utility. It also allows to access the utility through the Microsoft Windows Start menu.

Download it here:
Microsoft Outlook Calendar Time Zone Update Utility