Repair Corrupt OST File

How to Locate & Use SCANPST.EXE Application to Repair Outlook OST/PST File


Query: I am using Microsoft Outlook 2019 with Gmail IMAP account. Suddenly, my Outlook stopped working due to corruption in offline data file (.ost). Now I want to repair corrupt Outlook OST file in Windows 10 OS. Is there any free solution to fix damage Outlook OST data file in few steps?

Solution: Don’t worry, you can easily repair your Microsoft Outlook 2019 OST file using SCANPST.EXE application or Inbox repair tool. You just need to follow 2 steps to fix corruptions in Outlook data file (.ost). This tool also fix corruptions in PST file.

Instant Solution: If you do not want to spend your precious time in manual solution, then download Ignissta OST repair tool and scan corrupted OST file quickly in 2 steps only.

Download OST to PST Converter

What is SCANPST.EXE Application?

SCANPST.EXE also known as Inbox Repair tool. It is an inbuilt application of Microsoft to repair the minor level corruptions in Outlook data file (.pst and .ost).

Solution to Repair Corrupt Outlook OST / PST File in 2 Steps

Follow the below steps to fix corruptions in offline data file (.ost) as well as .pst file quickly:

Step 1: Location of SCANPST.EXE Application

First, you need to find the location of SCANPST.EXE utility. To do so, just follow the below solutions and path.

Solution #1: Find SCANPST.EXE or Inbox Repair Tool Manually

  • Press “Ctrl + Shift + Esc” button of your keyword combinedly to Open the Task Manager.

Task Manager

  • Under the Processes tab. Search for “Microsoft Outlook” application and click right on it & select “Open File Location” from the list.

Open File Location

  • Here, you will get the SCANPST.EXE or Inbox repair tool.


Solution #2: Locate SCANPST.EXE or Inbox Repair Tool by Path

Microsoft Outlook Version Scanpst.exe Location for Win8, 8.1, XP, 7 etc.
Outlook 97 / Outlook 98 C:\Program Files\Common Files\Windows Messaging\scanpst.exe
Outlook 2000 C:\Program Files\Common Files\System\MAPI\<locale ID>\NT\scanpst.exe
Outlook 2002/XP C:\Program Files\Common Files\System\MAPI\<locale ID>\scanpst.exe
Outlook 2003-32 Bit Windows C:\Program Files\Common Files\System\MSMAPI\<locale ID>
Outlook 2003-64 Bit Windows C:\Program Files (x86)\Common Files\System\MSMAPI\<locale ID>
Outlook 2007-32 Bit Windows C:\Program Files\Microsoft Office\Office12
Outlook 2007-64 Bit Windows C:\Program Files (x86)\Microsoft Office\Office12
Outlook 2013-32 Bit Windows C:\Program Files\Microsoft Office\Office15
Outlook 2013-64 Bit Windows C:\Program Files (x86)\Microsoft Office\Office15
Outlook 2016-32 Bit Windows (Click to Run) C:\Program Files\Microsoft Office\root\Office16
Outlook 2016-64 Bit Windows (Click to Run) C:\Program Files (x86)\Microsoft Office\root\Office16
Office 365 / Outlook 2019 / Outlook 365 C:\Program Files\Microsoft Office\root\office16\

Step 2: How to Repair OST File Using SCANPST.EXE Utility

Following are the guidelines for using the Inbox Repair tool to fix damaged Outlook OST file:

  • First, close the Microsoft Outlook application.
  • Then, locate the Inbox Repair tool or SCANPST.EXE application.

Note: Location may vary in different Outlook versions. So, go above in the location section and check the location/path of SCANPST.EXE accordingly.

  • Next, click twice on the SCANPST.EXE application to launch it.


  • Click on the Browse button to add corrupted PST or OST file.

ost-pst Location

  • Hit on the Start button to initiate the scanning process & repair MS Outlook data files (.pst and .ost).
  • Now, each file and folder will be searched to find errors. These will be reported at the end of the process.
  • Finally, hit on the Repair button to repair corrupt OST file.
  • Once the OST repair process gets done, you will get a “Repair Complete” message.

Repair OST Complete

Points to be Remember:

  • To repair corrupt OST file of Microsoft Outlook 2007 and below versions, use SCANOST.EXE application and SCANPST.EXE for PST file.
  • SCANOST.EXE is not available in Outlook 2010 and above versions. In that case, you need to use SCANPST.EXE utility to repair damaged OST file as we did above for Microsoft Outlook 2019.
  • To fix the corruptions of PST and OST file in Outlook 2019, 2016, 2013 and 2010, use SCANPST.EXE.

Do you Know the Benefits of Using the Inbox Repair Tool or SCANPST.EXE?

Following are some of the advantages of using SCANPST.EXE for repair Outlook OST and PST file:

  • It scans and repair each & every files/folder to figure out the mistakes in the current profile.
  • This application makes sure that emails/messages are found in the same location as in the original.
  • Inbox Repair tool is totally free of cost to repair corrupt OST and PST file.
  • It is just like a first aid treatment to repair critical data of damaged or infected Outlook profile.

What if SCANPST.EXE Fails to Repair Damaged Outlook OST File?

The above Microsoft inbuilt utility i.e; SCANPST.exe or Inbox Repair tool is fully capable to repair corrupt offline data file (.ost) and (.pst). But it has some limitations like it fix only minor level corruptions in both OST and PST file. So, what next?

In this case, you should switch on any third-party solution. One of the best solutions for repairing the OST file is available on the web is Ignissta OST repair tool. This software is capable to repair highly damaged offline data file (.ost) without damaging any internal data. Using this utility, you can also recover all the delete emails, contacts, calendar, etc. from Outlook OST file in few seconds without any extra effort. You just need to add OST file in the software panel and start scanning process.


In this article, I have explained the manual solution for repairing the corruptions in Microsoft Outlook data files (.pst and .ost). Also, you have known the various methods to find the location of SCANPST application and benefits of using free Inbox repair tool.

Leave a Reply