Home Tech Get Multiple Techniques to Repair Damaged OST File in Outlook

Get Multiple Techniques to Repair Damaged OST File in Outlook

Repair Damaged OST File in Outlook

How to Repair Damaged OST File in Outlook 2019, 2016, 2013, 2010, 2007, 2003?

OST is the Microsoft Outlook storage file also known as Offline Storage Table. The attribute of the OST file is that it lets users work offline on Outlook or even function properly when the application is not connected to the Exchange Server. The OST file is created when it is used in conjunction with Exchange Server with Cache Exchange Mode on. You need not worry about the changes that were made offline, as the OST file gets auto synchronized with Exchange Server. Even if Exchange Server gets damaged it does not affect the OST file. But still, OST Files are prone to damage or corruption because in case there is suddenly shut down or power failure then, there are chances of OST file damage.

Thus, this blog is written to help you how to fix damaged OST file in Outlook with the help of mentioned methods. Using the solution discussed you can easily retrieve data from OST file.

Professional Solution – If you want to instantly recover corrupted OST file in Outlook 2019, 2016, 2013, 2010, 2007, 2003 must use SysTools OST Recovery software. This will help you to repair damaged data from OST file and export to PST, MSG, PDF, Office 365, etc.


Reasons Behind OST File Corruption

There are numerous reasons behind the damaged OST file. Some of the reasons are mentioned below:

1. Improper Shut Down of Outlook: when Outlook has terminated abruptly at the time of content modification, server corruption can be done to OST files which can make them inaccessible.

2. Synchronization Error: This error arises when there is poor network connectivity at the time of synchronization of OST files with Exchange Server.

3. Other Issues: the other which involves: compatibility issue, Mathodsvirus attack, etc.

Repair Damaged OST File in Outlook Manually

There are no ways using which you can quickly repair damaged OST files. But, you can easily fix it using both manual and software fixes.

Method 1: Update Folder

Try this method to retrieve data from damaged OST file. Follow the steps below:

1. Right Click on the Folder

2. Click on Properties

3. A screen will prompt. Under that click on Clear Offline Items option

4. Then, Click OK

5. Go to Outlook 2010 ribbon, then go to the Send/Receive option

6. Then, click Update Folder

Method 2: Use Inbox Repair Tool (ScanOST.exe)

Note: The ScanOST utility has been lapsed and does not support Outlook version 2010, 2013 & 2016, 2019. Follow the below-mentioned steps to run the Inbox repair tool:

Step 1: Follow the given below path to reach the location where scanost.exe is available
C:\Program Files\Microsoft Office\Office12

Repair Damaged OST File in Outlook 2013

Step 2: At this location, you can easily find scanost.exe utility or you can search in Windows Search Box

Note: Your Outlook must be connected to Exchange Server to enable this .exe file, otherwise, the error message will pop up on the screen.

Step 3: When you find the available “.exe“, then you need to choose the profile as well. Select the Outlook profile which is running with respective Exchange Server. Once you select the profile click on ‘OK’ button.

Repair Damaged OST File in Outlook 2003

Step 4: The two options will be provided to restore OST file in Microsoft Outlook 2019, 2016 respectively:

Scan all Folders: Scans the entire database

Choose Folder to Scan: Choose the required folder

Step 5: Now, choose the option which you want to choose. I’m choosing the first option. Then, click on ‘Begin Scan’ option. Also, mark the checkbox “Repair Errors

Outlook 2010 Offline File

Step 6: The application will start scanning the OST file and synchronize the data & finish the task at once.

Repair Damaged OST File in Outlook 2007

Now, if you click on “Choose Folder to Scan”, this option will expand the inner folder structure of OST file. The process even allows selecting the selected folder to scan and thus scanning of OST data file becomes a more time-saving task.

Method 3: Software Solution to Repair Damaged OST File

Use a third-party tool to repair damaged OST files easily without much effort. In this Advance computing environment, there is much software available in the market.

SysTools OST Recovery Tool

The OST File Recovery Software is a perfect high-end quality product with easy functionalities. You can use this utility to retrieve data from Outlook OST file. You can use the tool to migrate OST file easily, this software is easy to use and can migrate OST files to a different file format like PST, PDF, EML, MSG, HTML & Office 365.

Features of OST Recovery Software:

  • Recover deleted messages from OST file like emails, calendars, contacts
  • Designed to repair damaged OST file easily
  • Apply filters by Date range to migrate selective items
  • Repair & restore OST to PST, EML, MSG file format
  • No File size limitation for recovering OST file.


Previously in Outlook versions 2007 & 2003, the repair of Outlook OST file was easy, however, in new versions such as Outlook 2010, 2013, 2016, 2019 the in-built tool feature is absent. Thus, you need to put an extra effort to fix the damaged OST file. The above-stated methods help you to restore OST data and migrate the recovered OST files to PST. You can refer to any of the methods as per your requirement.

You can even try OST Recovery Tool to shorten the process. The reason being, its impressive feature, authenticity will help you repair damaged OST file in Outlook 2019, 2016, 2013, 2010, 2007, 2003 without any compatibility issue.

As a Technical Person, Ugra Narayan Pandey has experience of more than 8 years and he is now working as a cloud security expert & technical analyst.