Cannot start outlook

[Johnny]

This is the error message
cannot start Microsoft Office Outlook. Cannot open the outlook window. The
set of folders cannot be opened. The file
C:\users\John\appDate\local\microsoft\outlook\outlook.pst is not a personal
folders file.

 

[Roady [MVP]]

Scan your pst-file for errors with scanpst.exe.
See http://www.msoutlook.info/question/77