Were you connected to an Exchange server? An .ost file is an offline file used with Exchange. You may need to connect to Exchange with your new profile and then sync a new offline file.

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Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, Sean asked:

| I just recently installed outlook 2007, upgrade from office xp, and
| the very first time(in fact the only time), I get an error while its
| configuring Outlook.
| It says "Cannot open your default email folders. The file
| c:\documents and settings\my name\local settings\application
| data\microsoft\outlook\outlook.ost is not an offline folder file.
| When I press ok, it doesnt open the program. Ok so how am I supposed
| to even change where its looking or even open?