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How to repair Outlook data files using Outlook Inbox Repair tool
Introduction
When your email files become corrupted or inaccessible, the Outlook Inbox Repair tool (SCANPST.EXE) can safely diagnose and mend these internal database errors. This built-in Windows utility allows Microsoft Outlook users to quickly restore file integrity and recover missing folders directly from their local machine.
Prerequisite
- Administrator privileges on the local machine (if required to access system folders)
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Basic knowledge of navigating Windows File Explorer
Step-by-step guide
Step 1: Locate Outlook data file
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Open Microsoft Outlook
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Select Account Settings, and then click Account Settings from the dropdown

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Switch to the Data Files in the pop-up window. Note down the exact file path and name of the .pst or .ost file you need to repair, then close the Account Settings window

Step 2: Close Microsoft Outlook completely
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Under the Processes, look for Microsoft Outlook or outlook.exe and right-click Microsoft Outlook and select End Task to ensure Microsoft Outlook is stopped completely

Step 3: Locate and launch the Inbox Repair tool
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Open Windows File Explorer and navigate to your Outlook installation folder (typically found in C:\Program Files\Microsoft Office\root\OfficeXX or C:\Program Files (x86)\Microsoft Office\root\OfficeXX, where XX is your Office version number)
Step 4: Select and scan the corrupted Outlook data file
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Click Browse in the Inbox Repair tool window
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Navigate to the location of your Outlook data file (usually an .pst or .ost file located in your Documents/Outlook Files folder)
Step 5: Repair the detected errors
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Wait for the tool to finish scanning the file for inconsistencies
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Check the box that says Make backup of scanned file before repairing to protect your data
Step 6: Verify the repaired data file
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Launch the Microsoft Outlook
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Confirm that your folders, emails, and calendar items are visible and accessible

Conclusion
By following this guidance, you can successfully resolve corruption issues in your Outlook data files and restore your email client back to a stable working condition, ensuring your email client runs smoothly and your important mailbox data is restored.
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