1. Close all programs.
2. Click Start, and then click Search.
3. Click All files and folders.
4. In the All or part of the file name box, type mapi32.dll, and then click Search.
5 When the search process is complete, right-click the mapi32.dll file in Windows\System {or Windows\System32}, and then click Rename. (Note: if mapi is in memory, you will not be able to rename it. Click Ctrl-Alt-Delete and End Task on mapiisp32. Verify it’s not running before trying to rename it.)
6. Type Mapi32.old, and then press ENTER.
7. click Start a new search, and then click All files and folders.
8. In the All or part of the file name box, type fixmapi.exe, and then click Search.
9 When the search process is complete, double-click Fixmapi.exe to start the repair process.
10. Follow the on-screen instructions to complete the MAPI repair process for Outlook.

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