| Feature | Description |
|---|---|
| Tool Name | SCANPST.EXE (Inbox Repair Tool) |
| Primary Goal | Repair corrupted .PST and .OST files to prevent Outlook crashes. |
| Compatibility | Outlook 2013, 2016, 2019, 2021, and Microsoft 365. |
| Success Rate | High for header corruption and minor data integrity issues. |
What is scanpst exe fix outlook crash?
The “scanpst exe fix outlook crash” refers to using Microsoft’s built-in Inbox Repair Tool to resolve instances where Outlook terminates unexpectedly. When Outlook crashes to the desktop (CTD), the culprit is often a corrupted Personal Storage Table (.pst) or Offline Storage Table (.ost) file.
SCANPST.EXE is a hidden utility installed with Microsoft Office. It scans the internal structure of your data files. If the file structure is disorganized or contains errors, the tool rebuilds the headers and corrects the file to restore stability.
Using this tool is the first line of defense for technical support teams. It addresses synchronization errors, “Not Responding” freezes, and immediate crashes during the startup sequence.
Step-by-Step Solutions
Before starting, ensure Outlook is completely closed. You cannot repair a data file while the application is accessing it.
1. Locate SCANPST.EXE on Your Drive
The location of the tool depends on your version of Windows and Office. You can typically find it in the following directory paths:
# For Outlook 2016 / 2019 / 365 (64-bit)
C:\Program Files\Microsoft Office\root\Office16
# For Outlook 2016 / 2019 / 365 (32-bit)
C:\Program Files (x86)\Microsoft Office\root\Office16
# For older versions (Outlook 2013)
C:\Program Files (x86)\Microsoft Office\Office152. Run the Repair Utility
Double-click **SCANPST.EXE** to launch the application. You will see a prompt asking for the location of the file you want to scan.
If you do not know where your PST file is located, it is usually found in `Documents\Outlook Files` or your AppData folder.
3. Scan for Inconsistencies
Click the **Start** button. The tool will go through eight phases of checking. During this time, the application might appear to be “Not Responding.” This is normal behavior while it analyzes large data files.
4. Execute the Repair
If errors are found, the tool will display a report. Ensure the box “Make backup of scanned file before repairing” is checked. This creates a `.bak` file in case something goes wrong during the reconstruction.
Click **Repair**. Once the process is finished, a “Repair Complete” dialog box will appear. You can now restart Outlook to verify if the crash issue is resolved.
5. Advanced Fix: Rebuild the Outlook Profile
If SCANPST.EXE does not stop the crashes, the corruption might exist within the Outlook Profile rather than the data file.
Go to **Control Panel > Mail > Show Profiles**. Create a new profile and link your existing email accounts. This provides a clean slate for the application logic while retaining your repaired data.