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Fix Broken Outlook Personal Folders (PST) File

If your Outlook is very slow when you open it or it keeps showing errors, your Personal Folders (PST) might have been corrupted or broken due to improper exit or closing of your Outlook. You can repair your damaged PST files by using a utility tool included in your Microsoft Outlook.

To fix your PST file, first run the Scanpst.exe which can be found in your Outlook folder or follow the paths given below depending on your Outlook version

For Outlook 2007:

    C:\Program Files\Microsoft Office\Office12

For Outlook 2003 and earlier versions:

    C:\Program Files\Common Files\System\Mapi\1033
    C:\Program Files\Common Files\System\MSMAPI\1033
scanpst.exe
Now that the scanpst.exe utility is running, provide your PST file's location using the browse button. By default, you should be able to find your PST file in the location below and named as outlook.pst

%appdata%\Microsoft\Outlook

If you have no idea where to find your PST file, you can follow my other tutorial "Where is my Outlook Personal Folders (PST) File located"
browse pst file
After locating your broken PST file, click on the Start button to start scanning. It usually takes some time for the scan to complete depending on your PST file's size. A summary report will be generated after the scan and it will tell you whether there are errors in your PST file.

repair pst file

If there are errors, it is always a good practice to create a backup before repairing your file. Click on the Repair button and wait for it to complete. You will then be prompted when repair is complete.

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