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How to Repair OST File of Outlook 2019, 2016, 2013, 2010 & 2007


Easily Repair Corrupt OST file of Outlook 2019 & Below Version

Did Your Microsoft Outlook crashed abruptly and corrupted your Offline Outlook data file (.ost) or displaying crashed error signature information?

Stuck in Between & Don't Know How to Repair Outlook.ost Data File

First of all, just take a deep breath, and relax. Your data is not going anywhere. Few strategies discussed in this blog will surely help you to repair corrupt OST file of Outlook, Exchange, Office 365 or any IMAP configured Profile.

Let us first understand, what else can be the possible reasons due to which users want to repair OST file of Outlook 2019, 2016, 2013, 2010, 2007 and below versions?

  • If you are unable to open Outlook data file (.ost)
  • If your Outlook cannot open a particular set of folders
  • If your Outlook OST file is badly damaged

In all such situations, Inbox Repair Tool or scanpst.exe is the prime solution that anyone will try to repair corrupt OST file. This application is used to basically diagnose and resolve Outlook data file errors. The Inbox Repair tool perform a quick scan and repair Outlook OST file (if required) to ensure that everything is fit as a fiddle.

Download SysTools OST Repair Tool : Download Now
100% Safe & Secure

Top 3 Free Methods to Repair OST File

Method 1 : Repair OST File Using SCANPST.EXE

Using Scanpst.exe Get Things Better/ Worse

"Unable to Repair OST File" I was confronting a few issues with OST File and attempted to repair with scanpst.exe. In spite of the fact that Inbox Repair Tool discovered some issue yet Scanpst failed to repair OST file as my issue still persist. Is there any ost.exe as well to repair corrupted OST file in Windows 10?”

There are number of users who reported numerous constraints like "inbox repair tool does not recognize the file .ost" or "scanpst fails to repair ost file" while using scanpst.exe to repair damaged OST file. According to them, it is capable to deal with only minor level of corruption issue while you repair OST file of Outlook 2019 and below versions. Actually, it is true as scanpst.exe is not originally designed to fix OST file issues. Apart from all this:

Inbox Repair Tool
“Microsoft” itself states in its blog :
  • This scanpst.exe tool is not able to connect or analyze the data kept in the Exchange mailbox. Moreover, this utility will locate only errors or corruption issues and let you fix the error or issue. However, if you are unable to resolve the issue by Inbox Repair tool, simply repair the complete Outlook program.
  • Apart from this, Microsoft also suggests to backup the existing Outlook data file before using Inbox Repair Tool.

This scanpst.exe utility can be used in Outlook 2010 and above versions. If a user is working on Outlook 2007 or below version, the Inbox Repair tool is not available. Read More

Method 2 : Repair OST File Using SCANOST.EXE

What’s the Real Story Behind Scanost.exe?

In the case of Outlook 2007 and below versions, Integrity Check tool is there to help users to repair Outlook OST file. It can also be called as scanost.exe. It was originally designed to repair corrupt OST file. However, the tool was discontinued from Outlook 2010 or replaced by scanpst.exe. If you are an old Outlook version user, then it is suggested to try this Integrity Check tool before switching to a third-party tool.

Can't Repair an OST File?

Here’s How to Repair OST File with OST Intergrity Check Tool :

  • First of all, you need to look for the scanost.exe on the local machine
  • In Outlook 2007 : C:Program Files\ Microsoft Office\ Office 12
  • In Outlook 2003 : C:Program Files\Common Files\Systme\MSMAPI\scanost.exe
  • In Outlook 2002/XP : C:Program Files\Common Files\Systme\MAPI\scanost.exe
  • In Outlook 2000 :C:Program Files\Common Files\Systme\MAPINT\scanost.exe

Note: Make sure that Outlook is closed on your machine

  • Now, simply right-click scanost.exe application icon and run it as an administrator.
  • Here, you need to choose the profile containing damaged OST file.
  • Select the folders that you want to scan or you can choose Scan all folders option also.
  • After that, check the Repair errors checkbox to fix the issue.
  • Then, click on the Begin Scan option and start the scanning process of corrupt OST file.
  • As the scanning process completed successfully, “OST repaired successfully” message will pop-up on the screen. Click on the OK button to complete the process to repair Outlook OST file.
Scan OST Repair Utility

There is one other way also possible to repair OST file of Outlook 2019, 2016 and below versions. If you are having an Exchange email account, simply delete the OST file. After that, renew or regenerate offline Outlook data file.

Method 3 : Renew OST File

Simply Regenerate Offline Outlook Data File (OST)

Everyone knows OST files are nothing but the copy of Exchange mailbox data. Therefore, it is not necessary to backup file. You are allowed regenerate your old OST file at any time. And, to repair corrupt OST file, just follow the steps mentioned below:

Close Outlook & Go to Control Panel. Then, Double-click on Mail

Locating Mail:
In different versions of Microsoft Windows, the location of Mail in Control Panel is different. Thus, the easiest approach is type Mail in the search box given in the Control Panel. The Mail dialog box contains the current profile in the Outlook. To choose some other profile, click on the Show Profiles and then Properties option. You can also

Click on the Offline Folder File Settings option again

Now, Check Use Cached Exchange Mode checkbox under the Cached Exchange Mode Settings & click on the OK >> Next >> Finish button. At last, click on the Close button. This will help to repair corrupt ost file

Note: If Disable Offline Use is not selected, it shows the Use Cached Exchange

What else you can do for IMAP Configured OST Repair ?

Select “Open Data File Location” & simply Delete your OST File Data

Open Data File Location

Note: Make sure that you close Outlook before while re-generating File

Finally, re-open Outlook to Regnerate & Repair OST File

What If You Are Unable to Renew / Regenerate OST File?

If you are having large size mailbox with slow internet connection, then regenerate OST file option will not work. In such type of situations, you can still give a try to scanpst.exe & run repair on OST file. This is the only option to repair OST file, if nothing works perfectly.

If It Does Not Work?

If you are unable to repair corrupt OST file of Outlook 2019 / 2016 / 2013 / 2010 or below versions with the help of Inbox Repair Tool, then there is only one solution. Without wasting any time, switch to some third-party tool if genuinely care about your data.

Don’t Worry, There’s a Catch!

You are having a damaged OST file and no manual fixes is able to resolve the issue. In such situations professional solution like SysTools OST Recovery Tool comes into account. The software will repair OST file from any type of corruption issues. It is a trustworthy application to repair OST file as PST format. After that, you are allowed to access it in any version of MS Outlook without any hassle.

Looking for the best part?

There are some key-points that make this software best to repair damaged OST file from the rest over the internet. For example, the software is capable to repair encrypted OST file (S/MIME or Open PGP). In addition, this OST Repair application is also capable to restore deleted data from OST file in no time and highlight it with the red color. Apart from all this, there is no such operating system supporting limitation.

How Can You Actually Use This OST Repair Utility?

Repair damaged OST File
scan & repair OST
Choose PST
Choose PST
Choose PST

FAQ - Clarify How to Repair Outlook OST File

1. Does Outlook SCANOST.EXE repair OST File ?

Yes, Integrity Check tool (Scanost.exe) repairs OST File but only in the case of Outlook 2007 and below versions Click here to know why it does not repair OST file of latest versions

2. What to do when Scanpst.exe fails to repair OST File ?

3. How to repair ost file of Outlook 2007 & Office 365 ?

4. Can I Repair Offline OST File without Outlook ?

5. How can I repair the severely corrupted OST file of the Outlook 2016 version?

What’s the Bottom Line?

Corruption in OST file is a severe problem faced by any Outlook users. No manual approach guarantees to repair Outlook OST file in the best possible manner. Therefore, moving towards professional tools to repair damaged OST file is not at all a bad choice. The software will repair corrupt OST file and then convert it PST format also for easy access.