By default;
C:\Documents and Settings\%username%\Application Data\Microsoft\Outlook
Even when you uninstall a previous version we are still talking about an
upgrade as several settings get migrated and possible add-ins are already
installed on the system.
If "resetting" the sync doesn't work you can try it with a clean mail
profile;
http://www.howto-outlook.com/faq/newprofile.htm
--
Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
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Sync meaning transfer what is on the microsoft exchange server to my laptop.
I uninstalled my whole Office 2003 suite, rebooted, ran ccleaner, rebooted
and then installed the Office 2007 beta.
Where would I find my ost-file?