If you receive a message that you are using the wrong version of mapi32.dll or that the file is corrupted, you might have installed other messaging software after you installed Microsoft Outlook.

When you see this type of message, you can fix it by running a program in the Microsoft Windows System folder.

• To run the program to fix this problem, in C:\winnt\system32 or C:\windows\system32, double-click Fixmapi.exe.