If you want to fix PST files using this tool, make sure to have a proper backup of the Outlook PST before processing. This utility is not the professionals’ recommendation, as it comes with a lot of drawbacks. Before implementing this method to fix Outlook PST files, read its limitations for more insight.

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It also has no restrictions on adding oversized PST files to resolve corruption. Two methods, manual and professional will be explained here along with rebuild Outlook data file quickly their stepwise working procedure to fix Outlook data files or Personal Storage Table (PST). The manual solution will uncover the step by step guide on the Inbox Repair Tool (ScanPST.exe).

Methods to Rebuild an Outlook PST File

Yevgeniy Reznik is Laboratory Operations Manager at Secure Data Recovery Services in Cleveland, Ohio, and has more than a decade of experience as a data recovery engineer. Depending on your Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair. Whatever the cause of corruption, you can rebuild the PST file to fix the issue.

Manually start the Inbox Repair tool

No validation is explicitly done on body-related properties or on subject-related properties, except the implicit low-level validation that this article discusses earlier. The recipient display properties are changed to be consistent with the recovered recipient table. As soon as this operation is complete, other algorithms are run to collect all the orphaned messages and to put them in an Orphans folder. If you could not open your original Personal Folders (.pst) file before you ran Inbox Repair Tool, the following procedures may not work.

Locating the Outlook Data Files

You can try any of the methods listed above to rebuild the PST file. Using the software, you can repair and rebuild a PST file of any size, irrespective of the cause of corruption. Unlike the SCANPST tool, it won’t crash halfway if the corruption level is high or file is repair PST file without data loss large. ScanPST mostly validates and corrects errors in the internal data structures of a .pst file.

Automatically start the Inbox Repair tool

• But, in some cases, a few common reasons are usually present behind Outlook data file corruption.
• At a higher level, the more visible changes that you see involve folders and messages.
• If you could open the file, the following procedure may help you recover additional items from your damaged Personal Folders (.pst) file.
• Additionally, this tool’s demo version can be accessed freely to get deeper clarity on its features and functionality.
• The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure.
• For example, it can’t help if your file was permanently deleted or corrupted beyond its repair abilities.
• Here are some methods you can follow to rebuild the Outlook PST file.

If ScanPST determines that a specific block of the structure or table is unreadable or corrupted, ScanPST removes it. If that block was part of a specific item Outlook Not Sending or Receiving Email in Outlook, the item will be removed when it is validated. The Inbox Repair tool is automatically installed with all English-language Microsoft Outlook installation options depending on your operating system. Find solutions to common problems or get help from a support agent. In a situation like that, you might need to try another solution, like a more powerful third-party tool. Simran Bhatia is a technical content writer engaged in writing clear, concise, and SEO-optimized content.



The first is to repair PST free and the second is via a professional tool. The methods are secure and will recover your PST file easily. Further, the step-by-step procedure is discussed in detail below. Whether you are a Microsoft Outlook, Exchange or Office 365 user, you may come across or encounter the PST files.