The Inbox Repair Tool, commonly known as Scanpst.exe, is a free, built-in utility provided by Microsoft to diagnose and repair errors within Outlook data files. It targets both Personal Storage Table (.pst) and Offline Storage Table (.ost) files. When Outlook crashes, throws folder errors, or refuses to open, file corruption is usually the culprit rather than the application itself. Scanpst.exe serves as Microsoft’s frontline solution to restore mailbox access. 📂 Common Scanpst.exe Locations
The file does not have a desktop shortcut and must be launched from your computer’s local file directory. Its exact path depends on your installed version of Outlook:
Outlook 365 / 2024 / 2021 / 2019: C:\Program Files\Microsoft Office\root\Office16
Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16
Outlook 2013: C:\Program Files (x86)\Microsoft Office\root\Office15
Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14 🛠️ Step-by-Step Guide to Using the Tool
Follow these sequential steps to safely scan and fix your Outlook files:
Repair Outlook Data Files (.pst and .ost) – Microsoft Support
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