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Error message when you try to start Outlook 2003: "MAPI32.DLL is corrupt or the wrong version"
Content provided by Microsoft
Applies to: Microsoft Office Outlook 2007Microsoft Office Outlook 2003
When you try to start Microsoft Office Outlook 2003, the program does not start. Additionally, you receive the following error message:
Cannot start Microsoft Office Outlook. MAPI32.DLL is corrupt or the wrong version. This could have been caused by installing other messaging software. Please reinstall Outlook.
This issue may occur if you install and then uninstall Microsoft Office Outlook 2007 Beta 2 on a computer that has Outlook 2003 installed. When you uninstall Outlook 2007 Beta 2 version, the Outlook 2007 Beta 2 version of the MSMapi32.dll file is not removed from the following folder on your computer:
Note Different Locale ID for different languages appears in LocaleID. For example, 1033 is for English - the United States. For more information about these techniques, visit the following MSDN Web site: