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OL2000: Error Message "A required function is missing..."

This article was previously published under Q223453
This article has been archived. It is offered "as is" and will no longer be updated.
When you start Outlook, you may receive the following erro message:
A required function is missing: Please install Microsoft Outlook again.
NOTE: Microsoft Office 2000 has a Customizable Alerts feature that allows you to receive more information about alerts or error messages that are difficult to troubleshoot. If you want to turn on the Customizable Alerts feature, download the Microsoft Office 2000 Customizable Alerts file. To do so, visit the following Microsoft Office Update Web site:NOTE: If you reached this article by clicking the Web Info button in an error message, you already have Customizable Alerts enabled.
We require more information about your specific situation to determine why you received this error message.
Things to Try

Contact Microsoft Product Support Services

To contact Microsoft Product Support Services (PSS), visit the following Microsoft Web site, and then click Phone Numbers, Support Options and Pricing:When you contact PSS, please refer to article ID Q223453.

Article ID: 223453 - Last Review: 11/02/2013 22:04:00 - Revision: 5.0

Microsoft Outlook 2000 Standard Edition

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