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How to Repair OST file in Outlook 2016?

OST is also known as Offline Storage Table. This data file stores an offline copy of the outlook data item that exists on the server.

The OST files allow the worker to work even in the absence of server connections.

The main problem in OST files is that in case of technical issues, the users cannot access their mailbox information.

The OST files may become malfunctioned in case of either network connectivity issues or electricity issues or any virus in the system.

Methods to repair OST file in Outlook 2016

Recreate OST file to repair corrupt OST

  1. Open the CONTROL panel and go to the user’s account.
  2. Then search for the MAIL option and click on it.
  3. Now click on the SHOW PROFILE option in the mail setup.
  4. Search for the DEFAULT PROFILE and select it with the account you want to fix.
  5. Then move to the PROPERTIES button and select it.
  6. Now click on the email account button.
  7. Then click on the Data files tab and select the broken account.
  8. Then we will have to click on the open file location button.
  9. Click on the close button option for the Accounts Settings, Mail setup, And then Mail windows.
  10. Then right-click on the OST file for the account which is having issues and then go to the delete option and click on it.
  11. Once all these above steps are completed, the desktop version of the outlook is to be opened to recreate the OST file for the account which is required to be repaired.

Repair OST by using SCANOST.exe

  • It enables the user to view the OST files that are corrupted.
  • The user must connect with the exchange account for executing this tool i.e. SCANOST.exe.
  • Usually, Microsoft provides this tool for identifying the problem in the OST file.
  • Sometimes, this tool is known as the utility check tool.
  • It scans all the folders and then easily detects the error.

The following steps are to be followed to repair OST with SCANOST.exe.

  1. First of all the Outlook application is to be closed if it is running.
  2. To Launch the Scanost.exe, Go to the Program Files, click on the Microsoft Office. The office version is located.
  3. Double click on scanost.exe.
  4. The user will be asked to select a profile according to your Outlook setting. Select the profile which contains the  OST file that is corrupted.
  5. Click on Connect when provided with the option of Connect or Work Offline as per choice.
  6. Next, choose all OST folders for a scan or specific folder as provided on the list. If the user wants the tool to repair the error during the scan, then select the Repair Errors checkbox. (On deselecting, this checkbox tool will create the scan log but will not REPAIR it).
  7. Click on  Begin scan.
  8. The scanning of the added OST file will get started, do not withdraw until. the procedure is completed.
  9. If the user wishes to view the scan log, Open Outlook, go to Deleted Item Folder, and then select the OST integrity checK.

Utilize SCANPST.exe for Repairing OST

  • This tool easily helps us to find the issues in the OST file and then rectify it
  • This tool is otherwise referred to as the outlook inbox repair tool.
  • It is so-called since it provides a good facility in repairing the OST files.
  • However, some steps are to be followed.

Steps to repair OST with SCANPST.exe

  1. Then open the SCANPST.exe.
  2. Now, click on the Browse Button and then start locating the OST file which is to be repaired.
  3. Click on the START button.
  4. Now the scanning process starts and once this process is complete, click on the Repair button to repair the OST file.

    Make sure that a back up is made for the scanned file before repairing it.
  5. Then after the completion of the repair process, a message will be displayed i.e. REPAIR COMPLETE.
  6. Now the process of repairing the file is completed.

NOTE. If any error exists, then it is better to refer to this OST to PST tool.

It repairs all kinds of OST related corruption problems and extracts the data out of the file allowing users to make choice before saving to either PST or other file formats.

Repair corrupt OST Via SysInspire OST Recovery Tool.

The software which is a highly considerable solution for Offline OST file recovery and also for the conversion is SysInspire OST to PST Converter & Recovery Software. It has unique features for OST file recovery which makes it more reliable and trustworthy.

This technology gives accurate OST to PST conversion results. It extracts mailbox items from corrupt OST including- emails, contacts, email attachments, etc, and then allows converting OST file into PST within seconds.

Features of OST to PST converter

  1. Converting selective OST folders – This tool has an advance feature of exporting OST folders to multiple formats.
  2. Supports all MS Outlook versions including- 2010, 2013, 2016, and so on.
  3. There is nothing called as file size limitation.
  4. Main feature if this tool is that there is no need for MS Outlook Installation to convert OST TO PST.
  5. Offers three easy steps procedure to perform recovery or conversion

    The first step- is to load the OST file for scanning.

    Second– see the preview of the OST  file inner mailbox items.

    Final Step– Convert OST to either workable PST, HTML, vCard, or various other file formats.


These are the free methods to repair corrupt OST file for recovering lost items of OST. Firstly you can use the manual methods for trial purposes or to understand the recovery process of the corrupt OST file database. But if you want an instant and secure method to perform recovery tasks then, an automated tool like- SysInspire OST Recovery Software can be the better choice for you. the tool is the most simple, easy to use, and reliable software that can recover all your important data and will never let your trust down.

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