Exchange Server & MS Outlook Blog

Outlook 2010 Crashed due to OST File Corruption? Here is the Fix

Sometimes, users encounter Outlook 2010 crash problem, which is a clear indication that Outlook is of no use until repaired. The signature information of the problem is much similar to below:

“AppName: Outlook.exe
AppVer: 14.0.4760.1000
ModName: Kernelbase.dll
ModVer: 6.1.7600.16385
Offset: 0003194b”

Cause of the Problem

Since you are using Outlook as primary application, it is very important to know what caused the crash so you can fix the issue and make it operational again. Well, the problem indicates that there is corruption in OST (Offline Storage Table) file, which is an Outlook data file created when Outlook is configured for MS Exchange Server. The file is commonly known as offline folders file.


To fix the issue, you need to use Outlook inbuilt utility ‘Inbox Repair Tool’; carry out the below given procedure:

Step1: Close Outlook.

Step 2: Go to C:\Program Files\Microsoft Office\Office14.

Step 3: Double-click Scanpst.exe.

Step 4: A dialog box ‘Microsoft Outlook Inbox Repair Tool’ will appear, click ‘Browse’.

Step 5: Find the .ost file and click ‘Open’.

On Windows XP, the location of the file is as follows:

C:\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook

To go to the path, make sure to make the hidden files and folders visible. For this, do the following:

On Windows 7 or Vista, you can find the file in Outlook 2010 at the following location:


To go to the path, make sure to make the hidden files and folders visible. For this, do the following:

Step 6: In ‘Microsoft Outlook Inbox Repair Tool’ dialog, click ‘Start’.

Step 7: Click ‘Repair’.

Step 8: On completion of the process, click ‘OK’.

So, you are done with the procedure, what do you find? The file is repaired or not? Yes, it is also possible that Exchange OST recovery is not successful and your Outlook is still facing the old problem. If so, you need to convert OST file to PST so that all contents of OST file are transferred to a new PST, which can be imported into a new Outlook profile.

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