How to Repair Corrupt OST File in Outlook in Minutes

Written By Addy Wang
Updated on January 27th, 2025

Users who use Outlook regularly know how frustrating it can be when things suddenly stop working especially when data goes missing. One common issue behind it is corrupt OST files. This file is key for storing emails, contacts, calendars, and other valuable data. However, the good news is that you can easily repair corrupt OST files. This article will discuss quick and simple steps to repair corrupt Outlook OST files. Further, you directly use OST File Recovery Software to get Outlook running smoothly again.

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What Causes OST File Corruption?

Before going into the repair process, it’s helpful to understand what causes the OST file to get corrupted. Some common reasons include:

The OST file was corrupted due to the sudden computer shutdown.
Unauthorized users can gain access to the Outlook OST file.
Viruses can affect the computer device including OST files.
Large OST files easily become more prone to corruption.

How to Repair Corrupt OST File?

To fix corrupt OST files, you can use a professional tool or a manual method. In this section, we discuss both methods and also describe their advantages and limitations.

Method 1: How to Repair Outlook OST File Manullay?

Important Note: Use MS Outlook, which comes with an inbuilt repair tool called the Inbox Repair Tool (ScanOST.exe). This tool recovers corrupt OST and PST files instantly.

Steps to Recover Corrupt OST File Using Outlook

Firstly, to start the process make sure Outlook is fully closed.
Now, run ScanOST.exe on your system.
After that, configure as per Outlook Account.
Select an option to connect Online or Offline.
Further, choose the OST file to repair.
Click on Repair OST files and Start the process.

Steps for Recreation to Repair Corrupt OST File

Firstly, open Outlook on your system.
Now, click Account Setting and click the Data Files tab.
After that, choose the OST profile and click Open File Location.
Once located, delete the OST file and create a new OST file in Outlook.

Limitations of the Manual Method

ScanOST.exe is only available for Outlook 2007 or earlier versions.
Heavily corrupted OST can not be repaired using this method.
It increases the chances of data loss or creating inaccessible files.
Also, the scanning and repairing process can be time-consuming.

Method 2: Dedicated Software to Repair Corrupt OST File

ScanOST.exe can only repair minor corruption. Therefore, use OST File Recovery Software to recover all the emails, contacts, and other items from corrupt OST files. In addition, this tool provides multiple recovery modes that create fast and reliable recovery without interruption. Moreover, it is the best tool to repair corrupt, large, password-protected OST files effortlessly and provides optional features.

Save recovered corrupt OST files in different file formats like PST, EML, etc.
It also restores permanently deleted items from MS Outlook.
Highly compatible with all MS Outlook versions including 2019.

Steps to Repair Corrupt OST File

Firstly, launch the OST File Recovery Software as an admin.
Now, add a corrupt OST file from the desired location.
Choose Recovery Mode and use optional features. Click OK.
After that, preview and select the OST files. Click the Save button.
Further, define the location to save and choose Saving Format.
Lastly, click on OK to complete the process.

Conclusion

A corrupt OST file can be challenging but with the right tools and techniques, you can easily repair corrupt OST files. Whether you use a manual method or dedicated software, repairing OST files is easier. The ScanOST.exe can only fix minor corrupted OST files, it has its limitations. Along with that, it is only available for earlier versions of MS Outlook. However, if you are using the latest version or repairing highly corrupted OST files then, use a professional tool.

Frequently Asked Questions

Q. Which tool is the best for recovering my corrupt OST files?

Ans- The OST File Recovery Software is the best utility to recover corrupt OST files and restore all data frequently. Furthermore, it saves recovered files in PST, EML, and other file formats.

Q. How do you repair corrupt OST files?

Ans- Steps to repair OST files:
1. Firstly, install and run the OST File Recovery Software as an organizer.
2. Now, add a corrupted OST file and choose Recovery Modes.
3. Afterward, apply another filter and click OK.
4. Preview and select the files and then, click Save.
5. Further, define the Path to Save and select Saving Format.
6. Lastly, click OK to complete the recovery process.

About The Author:

Addy Wang

Addy Wang is a talented content writer with a passion for creating engaging and informative articles. With a keen eye for detail and a strong command of language, Addy has the ability to craft compelling pieces that resonate with readers.