See Repair Outlook Data Files (.pst and .ost) - Outlook (microsoft.com) Scanpst locations: Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office16 Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16 Outlook 2013: C:\Program Files (x86)\Microsoft Office\Office15 Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14 Outlook 2007: C:\Program Files (x86)\Microsoft Office\Office12