This update applies only to the v1 version of the Outlook Time Zone Data Update tool. If you are using the current version of this tool, this update is not required. For more information about the current version of this tool, click the following article number to view the article in the Microsoft Knowledge Base:
931667 How to address the daylight saving time changes in 2007 by using the Time Zone Data Update Tool for Microsoft Office Outlook
We recommend that you use the most recent version of the tool to manage time zone changes in Microsoft Office Outlook.