In this post, the best solution you can use to repair PST File error when the ScanPST.Exe tool fails to work.

The MS Outlook software is the go-to mail client for many businesses and organizations. The reason for this is due to the rich managerial features the software has got. On Outlook, the majority of email files received are stored as .PST files. PST (short for Personal Storage Table) is an MS file format used in storing email files like messages, attachments, calendars, notes, and more. It is not used on MS Outlook alone as it is also featured on MS Exchange client and Windows Messenger.

Sometimes, these PST files do encounter errors, and several causes can trigger these errors. Mostly, it is a case of an oversized file or file saving procedure interrupted by maybe a power shortage. Other times it is caused by malware and viruses. Repairing these PST files when they develop such errors is paramount, especially when the files contain essential data.

In the same vein, MS Outlook features a traditional repair tool known as ScanPST.exe. This tool is free and comes built-in in the MS Outlook application. It can be found in the location on your hard disk where Outlook is installed. This tool works simply; you use it to scan your PST files.

Likewise, it can check for and diagnose detected errors, thereby fixing them afterward. But, the ScanPST.exe tool might fail to repair PST file errors in some cases and, as such, is not reliable every time.

When ScanPST.exe Fails To Work?

No doubt, the ScanPST.exe is a functional PST repair tool, but it does have its limitations. Microsoft developers created the ScanPST.exe repair tool without the thought of large files in mind.

The scan and diagnosis process of large PST files often fails to complete when scanning due to the amount of time taken. As a result, the tool will not be efficient in repairing huge files.

Another instance is if the file is very corrupt. The PST file showing error might not be huge, but ScanPST.exe will not work if the corruption level is very high. The tool works best with minor corruption levels.

Finally, ScanPST.exe will not work if the file you are trying to repair is password protected. With ScanPST.exe not working, you are left with only one option i.e., utilizing a third party PST repair tool. Several third-party tools work for this purpose, but if you want the best, go for Stellar Repair for Outlook.

What is Stellar Repair for Outlook?

Stellar Repair for Outlook is the perfect solution that can repair Outlook PST files and OST files. This tool is one of the eight tools featured in the Stellar ToolKit for Outlook. You can fix PST file error no matter the cause, be it oversizing, malware, or viruses. Likewise, the tool repairs these files and also recovers their data with every single one intact.

Its functionality is stretched to other Microsoft applications, including Word, Excel, and PowerPoint. You can repair any of these application files using the Stellar Repair Toolkit. Follow these steps to use the Stellar Repair for Outlook tool:

  • Launch the application
  • Select the PST file from its location or use the find to search
  • Click on Repair
  • Wait for the process to complete
  • Save the repaired PST file to a specific location
  • Then, Finish

Though the software is available for free download, you have to pay to unlock all features.

Stellar Repair for Outlook Compatibility 

Stellar Repair for Outlook works on Windows 10, 8, 7, XP, and Vista. It supports all MS Outlook versions from 2000 to recent. You would need at least 250 MB free space on your hard disk, and though 4 GB RAM is recommended, 2 GB RAM is the minimum.


If you have problems with your Outlook PST files and the ScanPST.exe does not work, you can get the job done by using Stellar Repair For Outlook.

Interestingly, this versatile tool is the best ScanPST.exe alternative you can get, and it beats it by performing above its limitations. That is, it repairs large PST files, highly corrupt PST files, and password protected PST files.



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