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.
To resolve this issue, follow these steps:
Start Windows Explorer.
Locate and then open the following folder on your computer:
C:\Program Files\Common Files\System\Msmapi\1033
Right-click the MSMapi32.dll file, and then click Rename.
Note The file (Msmapi32.dll) that you are renaming differs from the file (Mapi32.dll) that is mentioned in the error message.
Type Msmapi32.old, and then press ENTER to rename the file.
Start Outlook 2003.