Outlook 2000 Update: December 18, 2002 This update fixes an issue with Microsoft OutlookTM 2000 in Internet Mail Only (IMO) mode after the Microsoft Office 2000 Service Pack 3 (SP3) is installed, in which Outlook 2000 reminders may not behave as expected, or they may use 100 percent of your computer's processing power when they appear. This Outlook 2000 update is part of Microsoft's continued effort to provide the latest product updates to customers.