How to Fix "Errors Have Been Detected in the File Outlook.pst" Issue
Learn how to fix the "Errors have been detected in the file Outlook.pst" error with step-by-step solutions.

Microsoft Outlook is one of the most widely used email clients, helping millions of users manage their emails, calendars, contacts, and tasks. However, like any software, it is not immune to errors. One of the most common and frustrating issues users face is the error message: "Errors have been detected in the file Outlook.pst." This error can prevent you from accessing your emails and other critical data, causing significant disruption to your workflow. In this article, we’ll explore the causes of this error, and how to resolve it.
What Causes the "Errors Have Been Detected in the File Outlook.pst" Error?
The PST (Personal Storage Table) file is a data file used by Microsoft Outlook to store emails, attachments, calendar entries, and other items. When this file becomes corrupted or damaged, Outlook may fail to open it, resulting in the error message. Common causes of PST file corruption include:
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Large PST File Size: PST files have size limits. Exceeding these limits can lead to corruption.
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Unexpected Outlook Shutdown: Power outages, system crashes, or force-closing Outlook can damage the PST file.
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Virus or Malware Attacks: Malicious software can corrupt PST files.
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Improper Backup or Transfer: Errors during file backup or transfer can cause corruption.
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Software Conflicts: Third-party add-ins or incompatible software can interfere with Outlook’s functionality.
How to Fix "Errors Have Been Detected in the File Outlook.pst"
If you encounter this error, don’t panic. There are several ways to resolve it, ranging from built-in Outlook tools to third-party software.
1. Use the Inbox Repair Tool (ScanPST.exe)
Microsoft Outlook includes a built-in repair tool called ScanPST.exe (Inbox Repair Tool). Here’s how to use it to fix errors Have Been Detected in the File Outlook.pst issue:
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Locate the ScanPST.exe file on your system (usually found in the Outlook installation directory).
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Run the tool and select the corrupted PST file.
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Click Start to begin the scanning process.
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If errors are found, click Repair to fix them.
While ScanPST.exe can resolve minor issues, it often fails to repair severely corrupted PST files. This is where specialized software comes into play.
2. Use A Professional Repair Software – The Ultimate Solution
SysTools PST Repair Tool is a powerful and reliable tool designed to repair severely corrupted or damaged PST files. It is an excellent alternative to the built-in ScanPST tool, offering advanced features and a user-friendly interface.
While there are several PST repair tools available, SysTools Outlook PST Repair stands out for its reliability, efficiency, and comprehensive features. It is trusted by IT professionals and individual users worldwide for its ability to handle even the most challenging PST corruption scenarios. Whether your PST file is partially or severely damaged, SysTools ensures that your data is recovered safely and securely.
Key Features:
- Repairs Severely Corrupted PST Files: Can handle PST files of any size and repair them efficiently.
- Recovers All Data: Restores emails, attachments, contacts, calendars, and other items.
- Supports All Outlook Versions: Compatible with Outlook 2021, 2019, 2016, 2013, 2010, and older versions.
- Split Large PST Files: Allows you to split repaired PST files into smaller parts for easier management.
- User-Friendly Interface: No technical expertise required – the tool guides you through the repair process step-by-step.
- Optional: Recover deleted emails in Outlook whether soft deleted or shift deleted.
How to Resolve Errors Have Been Detected in the File Outlook.pst:
- Download and install the software on your computer.
- Launch the tool and select the corrupted PST file.
- Choose the scanning mode (Quick or Advanced) based on the level of corruption.
- Click Repair to start the process.
- Once the repair is complete, preview the recovered items and save the repaired PST file to your desired location.
Preventive Measures to Avoid PST File Corruption
To minimize the risk of encountering the "Errors have been detected in the file Outlook.pst" error in the future, follow these best practices:
- Regularly Back Up Your PST File: Create backups of your PST file to avoid data loss in case of corruption.
- Avoid Exceeding PST Size Limits: Keep your PST file size within the recommended limits.
- Use Antivirus Software: Protect your system from viruses and malware that can corrupt PST files.
- Close Outlook Properly: Always shut down Outlook correctly to prevent file damage.
- Use Reliable Software: Tools like SysTools can help you recover data, but prevention is always better than cure.
Conclusion
The "Errors have been detected in the file Outlook.pst" error can be a major inconvenience, but it doesn’t have to be a permanent problem. With the right tools and techniques, you can repair your PST file and regain access to your important data. While the built-in ScanPST tool is a good starting point, SysTools software offers a more robust and reliable solution for repairing severely corrupted PST files. By following preventive measures and using trusted software, you can ensure the safety and integrity of your Outlook data.
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