How To Repair Corrupt Outlook.ost File and View In Outlook?

Last updated on July 14th, 2021 at 10:40 am

Are you searching for a free solution that can allow you to repair corrupt Outlook.ost files or view inner items of OST? Then this time is to stop your search because here are the best solutions for your question. Through this blog post, we are going to describe the best techniques that will repair corrupt OST files.

Microsoft Outlook is one of the email clients that are available by every user to make the task of sending/receiving emails in a much reliable manner. Outlook offers various different options to configure an email account in it including- POP/IMAP/Exchange. In case of the account configuration with Exchange settings and IMAP create OST file. The OST saves all mailbox items of the Exchange Server as a local copy in this OST file. The benefit of using OST is users can access the server-based emails through these OST files in Offline mode. But sometimes users can face problems of corruption in OST files. There are various reasons why users face corruption errors in Outlook OST files and it is necessary to repair them immediately.

Get Free eSoftTools OST PST Converter and Recovery Software to easily repair corrupt Outlook data files. The software allows to Open OST files and Convert OST files into numerous format like- Outlook PST, EML, EMLX, MSG, vCard, CSV, HTML, ICS, Zimbra, Office 365, Gmail, and Gmail like Cloud platforms.


Reason of Corruption in Outlook.OST

There can be multiple reasons for corruption in Outlook OST files, many hardware and software issues can oblations corruption errors in Outlook.OST file:-

  • Hardware Issues
    • Power Failure:-
    • Data Storage Failure:-
    • Network/Internet Failure:-
  • Software Issues
    • Problem in Outlook:-
    • Virus or Malware attack:-
    • Accidental Outlook termination:-

Any one of the above-mentioned problems can be a reason for Outlook OST file corruption in your case. And you have to fix this problem immediately to fix this OST file corruption error. In the section, we will talk about some easiest solutions to make the process of repairing corrupt OST to read OST file data.

How To Repair Corrupt Outlook.ost File? Easy Solutions

Here in our list, we have 3 free methods which can be used to repair corrupt OST files:-

  1. Scanost.exe
  2. Scanpst.exe
  3. eSoftTools OST Recovery tool

Also Read:- How to Open OST File Without Exchange Server?

Method 1:- Repair Outlook.OST File Using SCANOST.EXE

ScanOST.exe is an inbuilt utility of Outlook. It comes with Outlook 2007 and below versions for fixing some minor corruption problems from Outlook OST files. OST Integrity Checker is another name of this tool, it scans the OST files and them starts to repair corruption errors of OST. Before using this tool first you should connect to Exchange server then apply the steps given below:-

  • Visit the location to find ScanOST.exe tool in your machine.
    Location of ScanOST.exe:- Drive:\Program Files\Microsoft Office\Office version\
  • When to found the tool, right-click on it and start this program as an administrator.
  • Then choose the profile of corrupt OST file.
  • Next, select the radio button scan all folders then click on the repair errors check box and Begin Scan button.
  • The scanOST tool will now scan the process of repairing OST file.

Method 2:- Repair Outlook OST 2010/2013/2016/2019 With SCANPST.EXE

With a newer version of Outlook users will the scanpst.exe tool to scan and repair corruption errors from Outlook data files. Also, it is known as Outlook Inbox Repair Tool because users can repair both OST and PST files of Outlook with this utility. The default location of scanpst.exe is MS Office installation folder. You can easily find this by visiting on this path:- Drive:\Program Files\Microsoft Office\Office version.

  • After finding ScanPST.exe, launch it in your machine by double-clicking on it.
  • Click on Browse button and select the corrupt OST file for repairing then click on Start.
  • Now the Inbox Repair Tool will begin the scanning and repairing process of OST file once it completes simply click on OK.

Method 3:- Best Free Method to Repair Corrupt OST

In most cases, the user faces problems while using scanpst or scanost tool and never gets the expected results. After seeing this problem, eSoftTools has created a free utility known as Outlook OST Recovery Tool. With the assistance of this instant solution, any Outlook user can Repair Corrupt Outlook.ost File. In addition, users can also open OST file to view its inner folders and items by using this free utility. Also, there is no requirement for any additional software installation and also it works without Exchange Server and Outlook environment. Get a free trial of this software.


Steps to Open and repair corrupt Outlook.OST with eSoftTools OST Recovery tool:-

  • After downloading OST Recovery tool, start this application in your machine.
Welcome screen of ost database recovery
  • Add OST files In the software (User can add multiple OST file and can them in a single time).
  • The software will automatically scan the OST file to repair corruption errors.
OST file recovery
  • And after this, it will show you all OST mailbox folders and items.
OST Mailbox Conversion Preview
  • Select the required folders from OST mailbox and click on Save OST button from the toolbar for saving OST file items to a new file format.
Export OST
  • Choose required conversion option like-PST and choose destination path then start the conversion task.


In this article, we have mentioned all the possible methods that will allow repairing corrupt OST. You can utilize ScanOST or ScanPST like a manual method to repair corrupt OSt files, but it not provides the expected results. So, to repair corrupt OST files it is necessary to go with a third-party solution like eSoftTools OST Recovery tool. You can try this tool Repair Corrupt Outlook.ost File and view its inner data with ease. Get Free demo.


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