Microsoft KB Archive/254623

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OLEXP: How to Reinstall Microsoft Outlook Express 5 in Windows 2000

Article ID: 254623

Article Last Modified on 10/31/2006


  • Microsoft Outlook Express 5.5
  • Microsoft Outlook Express 5.01 Service Pack 2

This article was previously published under Q254623

For a Microsoft Windows XP version of this article, see 318378.

For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:

257824 OL2000: Differences Between Outlook and Outlook Express


This article describes how to reinstall Microsoft Outlook Express in Windows 2000. Reinstalling Outlook Express may be a helpful troubleshooting step for problems involving Outlook Express or the Msoe.dll dynamic-link library (DLL).

NOTE: The following the steps in this article require that you have the Windows 2000 installation CD-ROM available.


To reinstall Outlook Express in Windows 2000:

  1. Quit Outlook Express.
  2. Using Windows Explorer, open the %SystemRoot%\Inf folder. (By default, this is the Winnt\Inf folder.)
  3. On the Tools menu, click Folder Options.
  4. On the View tab, click Show hidden files and folders. Click to clear the Hide file extensions for known file types check box, and then click OK.
  5. Right-click the Msoe50.inf file in Windows Explorer, and then click Install.

Additional query words: oe

Keywords: kbinfo KB254623