DOCUMENT:Q231485  11-JUN-2002  [exchange]
TITLE   :XCLN: How to Remove Outlook 98 Completely
PRODUCT :Microsoft Exchange
PROD/VER:WINDOWS:
OPER/SYS:
KEYWORDS:kbenv kbtool

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The information in this article applies to:

 - Microsoft Outlook 98 
 - Microsoft Exchange Server, version 5.5 
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IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

   Q256986 Description of the Microsoft Windows Registry

SUMMARY
=======

This article describes how to remove Outlook 98 completely from a computer that
is not an Exchange Server computer.

MORE INFORMATION
================

To remove Outlook 98 completely from your computer, use the following steps.

WARNING: If you use Registry Editor incorrectly, you may cause serious problems
that may require you to reinstall your operating system. Microsoft cannot
guarantee that you can solve problems that result from using Registry Editor
incorrectly. Use Registry Editor at your own risk.

1. Start the Add/Remove Programs tool and remove Outlook 98.

2. Start Registry Editor (click Start, click Run, type "regedit" (without the
   quotation marks), and then click OK).

3. Locate the following registry keys, export each key to your desktop, and then
   delete each key from the registry:

   HKEY_CURRENT_USER,"SOFTWARE\Microsoft\Office\8.0\Outlook"
   HKEY_CURRENT_USER,"SOFTWARE\Microsoft\MSDetect\AllApps\EMAIL\Outlook"
   HKEY_CURRENT_USER,"SOFTWARE\Microsoft\Shared Tools\Outlook"
   HKEY_LOCAL_MACHINE,"SOFTWARE\Microsoft\Office\8.0\Outlook"
   HKEY_LOCAL_MACHINE,"SOFTWARE\Microsoft\Windows\CurrentVersion\App
   Paths\OUTLOOK.EXE"

4. Rename the following files that may still remain on your computer after you
   remove Outlook:

   Mapi32.dll
   Mapisrvr.exe
   Mapisp32.exe
   Mapi.dll
   Mapix.dll
   Mapiu.dll
   Mapisvc.inf
   Minet32.dll
   Emsuix32.dll
   Emsui32.dll
   Emsmdb32.dll
   Emsabp32.dll
   Outlcomm.dll
   Contab32.dll
   Mspst32.dll
   Outlook.exe
   Outlook.srg
   Outllib.dll
   Outlmime.dll
   Outlrpc.dll
   Pstprx32.dll

5. Restart the client computer.

You can now run Outlook 98 Setup again if you need to perform a clean
reinstallation.

Additional query words: XMRP OL98

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Keywords          : kbenv kbtool 
Technology        : kbOutlookSearch kbExchangeSearch kbExchange550 kbZNotKeyword2 kbOutlook98Search kbZNotKeyword3
Version           : WINDOWS:
Issue type        : kbinfo

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Copyright Microsoft Corporation 2002.