How To Fix Scanpst.exe Fails To Repair The PST File Issue?

A personal Storage Table (PST) file is used to store emails, calendars, tasks, and other mailbox items in Outlook. However, the PST file is prone to corruption. When the PST file gets corrupted, you may start facing issues with Outlook or even lose access to your mailbox items.

Microsoft provides an Inbox Repair tool called ScanPST to repair corrupt Outlook data files (PST). This tool comes automatically installed with Microsoft Outlook. The ScanPST.exe location differs based on the Outlook version installed.

ScanPST scans the damaged PST file and fixes the corruption issues. However, sometimes, this tool fails to repair the PST file due to various reasons. In this post, we’ve discussed why Scanpst.exe fails to repair the PST files. We’ve also mentioned an alternate solution to repair the corrupt PST file.

Reasons behind ScanPST Failure Issue

There are some limitations of the ScanPST. Due to this, it fails to repair the PST file under a few conditions.

Some of them are:

ScanPST may not work if the PST file is larger than 2 GB.
The tool may fail to repair severely corrupted PST files.
The tool is unable to repair the directory and headers of the PST file.

In addition, missing DLL files can interrupt the Scanpst.exe working. In such cases, the tool freezes or the system throws an error.

What to do if Scanpst.exe Fails?

If ScanPST fails to fix the PST file, there might be different reasons. You can follow the given solutions to try to resolve the issues.

Update Outlook

Sometimes, missing Outlook updates result in the failure of the Scanpst.exe. You can install the latest updates available for Outlook. You can install all the updates provided by Microsoft for the Outlook version you are using.

If you’re using Outlook 2013, 2016, or 2019, go to File > Account > Update Options > Update Now.

If you’re using Outlook 2010, go to File > Help > Check for Updates.

After updating Outlook, try again to repair the PST file using ScanPST.

Repair Outlook Application

Sometimes repairing Microsoft Outlook can fix the Scanpst.exe not responding issue. To repair the Outlook application follow these steps:

Go to the Start option.
Click on the Control Panel icon.
Go to App & Features.
A window is displayed with a list of all the programs installed on the system.
Scroll down till you find Microsoft Office.
Click on the Modify option.

This will repair the entire Office suite even if you want to repair one application (such as Outlook).

Reinstall Microsoft Application

If Scanpst.exe fails to repair the PST file, it might be due to a problem with the Outlook installation. In such a case, you can reinstall your Outlook application. To reinstall, you need to first uninstall your Office program. To do this, follow the below steps:

Go to the Control Panel.
Depending on the version of Windows you are using, choose one of the below options:
> Add/Remove Programs.
> Uninstall a program.
Follow the on-screen instructions to remove the application.
Once the uninstallation process completes, then reinstall the MS Office.

Check the Size of the PST File

As mentioned above, ScanPST is limited to repairing PST files of up to 2 GB in size. You need to check the PST file size before using the Inbox Repair tool.

If the size of the file is more than 2 GB, then you can try to compact the PST file. Once you reduce the size of the PST file, then run the Scanpst tool to repair the PST file.

Alternate Solution to Repair the PST File

If none of the above solutions works, then the only option is to use a specialized PST repair software, such as Stellar Repair for Outlook. This Outlook PST repair tool can repair severely corrupt PST files of any size.

It restores all the mailbox items, including emails, attachments, calendars, etc., with 100% integrity. After repairing the PST file, it provides an enhanced preview of all the data. The software supports PST files of Outlook 2019, 2016, 2013, 2010, 2007, 2002, and 2000.

Steps to restore deleted Outlook emails with Stellar Repair for Outlook:

First, download and install the tool. Then follow the given steps:

Launch Stellar Repair for Outlook.
The “List configured Profile” dialog box is displayed.
On the dialog box, click the List Profiles option and select the PST file associated with your Outlook profile. If the PST is located somewhere else, click Choose Manually option to manually locate and select the PST file.

Resolve Scanpst.exe Fails to Repair the PST File Issue Easily

Click Repair to begin the scanning process. Wait until the scan completes. The time may vary on the size of the PST file.
Once the scan completes, the application will display the results in a three-pane structure. You can see the preview of all the items in your PST file as shown in the figure:

Select the emails you need to recover and then click the Save Repaired File icon from the Home menu.
On Save as window, select the PST format and then click the Next option.

You can include the deleted mailbox components by unchecking the “Do not recover Deleted Items” checkbox.

Click the Browse option to choose the “Save” location and then click OK. Ensure to check the option” Recover Deleted Items” and click OK.

This will save the recovered deleted Outlook emails in a PST file.
Once the saving process is over, the Saving Complete dialog box appears.

Now you can import the PST file into Microsoft Outlook. Once the import completes, you can view all the deleted emails.

Conclusion

Scanpst.exe is an in-built tool in Outlook that is used to fix corrupt PST files. However, sometimes, it stops responding or fails to repair the PST file due to several reasons. This post discussed the reasons behind the Scanpst.exe failure.

If you are unable to fix the PST file using Scanpst.exe, you can use a professional PST repair tool such as Stellar Repair for Outlook to repair the corrupt PST files. It can help you quickly repair corrupt PST files without any file size limitation.

Author Bio:
Eric Simson is an Email Platform Consultant and he has 6 years of experience. He mostly writes on the latest technology tips and he has been providing custom solutions related to Microsoft’s Software for a long time.

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