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The Default path for All Microsoft Office Outlook .pst file location is the User data(Your account name)/Local Settings/Application Data/Microsoft/Outlook/ this is where the .pst files are stored by default!!! this goes for All Windows OS! Tuesday, June 05, 2012 12:18 PM.
The PST can be stored anywhere on your hard drive. Outlook 2007: Go to Tools menu, Account Settings. In Outlook 2010/2013: Go to File tab, Account Settings. 1  Open the Account Settings dialog and select the Data Files tab. 2  Select the PST file you want to use as default.