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

Ugra Narayan Pandey ~ Published: 02-Sep-2021 ~ How To ~ 4 Minutes Reading

An Offline Storage file is an Outlook data file which helps its users to work offline in case of a failure in Internet connection and then automatically synchronize the changes with the Exchange Server when connected to an Internet service. Ost files are very useful for the user in many ways, they may show certain inconvenient traits such as corruption, inaccessibility, etc. These problems may be also due to the synchronization issues with the Exchange server environment, malware attack, power failure, etc. Under such situations, the users may look for a solution to recover OST file. So in this article, we will discuss the best solutions available to repair Outlook OST file 2019, 2016, 2013, 2010, 2007, 2003 and recover deleted data from OST file.

Solution to Repair Outlook OST File

Get Best Options to Repair OST File

The Outlook Offline folder repair options have been changing with every version of Outlook. In the versions 2000 and 2003, for the recovery of files the Detect and Repair tool was present. In the next version i.e. Outlook 2007, this tool was substituted with the Office diagnostics tool. The Repair option which is provided with Outlook 2010 and 2013 is intended to fix the outlook installation files and registry entries. The latest version of 2019 provides the easiest way to repair the .ost files in Microsoft Outlook

Manual Method to Repair Outlook OST File 2019, 2016, 2013, 2010, 2007, 2003

The easiest method to re-create the Offline storage file is to download the copy of all the items from the Exchange mailbox. The steps to perform the task is mentioned in the following steps.

  1. Exit the running Outlook window and go to the Start menu
  2. Select Control Panel from Start and select the Mail option to see a Mail setup dialog box
  3. Choose a profile and click on Properties
  4. Select the E-mail Accounts option from the Mail Setup dialog box
  5. Click on the Data Files Tab and then on the Exchange account
  6. Click the Open File Location Option
  7. An explorer window opens to the data file location
  8. Close the Mail setup & Account Settings dialog boxes
  9. Select the Exchange data file in the file explorer window and delete it
  10. Re-open the Outlook application to find a newly created OST file.

Thus the task to repair corrupt .ost files is completed.

Repairing Orphaned Outlook OST Files

Orphaned data files are the files which are no longer available for usage. Orphaned offline storage files can occur due to various reasons. Of which some are:

  1. Accidentally deleting the Exchange mailbox.
  2. Database corruption due to hardware failures at Exchange Server side.
  3. Sudden changes in the Outlook domain setting.
  4. Changing MAPI unintentionally.
  5. Synchronization issue due to losing the encryption key for MAPI and Outlook profile.

Also Read: Repair Damaged OST File in Outlook

Possible Solutions to Repair Corrupt OST Files

The orphaned files can be made functional by re-creating the synchronization between the OST data file and Exchange server. The steps used to repair Outlook OST file in this way are:

  1. Connect the Microsoft Outlook with the original Message Programming Application Interface.
  2. Connect this MAPI address with the Original Exchange Server.

The above-mentioned methods to repair the corrupted and orphaned OST files can’t be used once Exchange server is down or it is currently not available due to certain disastrous conditions. But one can make use of several expert utilities to repair the corrupted as well as the orphaned OST files.

Expert Solution to Repair Outlook OST File

Due to certain limitations with the manual methods to recover corrupt OST file, one can use the third party tools and restore Offline Storage data successfully. For this, there is a utility named SysTools OST Recovery Tool, the best solution to repair corrupt OST files in Outlook. It helps to resolve the OST file cannot be accessed error.

The Main Features of SysTools Software

  • Allows to repair both temporary as well as permanently deleted files.
  • Provision to split the large OST files into small files.
  • Option to repair Offline Storage file of large size without any data loss.
  • Allows the preview of data along with the count of items.
  • Preview of emails can be done along with the attachments.
  • Provides a status report so that the user could track the OST files during repairing.

Read More: Fix Outlook Unable to Open OST File Issue

The End Note

Occasionally there arise abnormalities in the working of Outlook Offline Storage files due to crashing, synchronization issues, etc. Since the manual methods for this may face certain difficulties with highly corrupted files, the need for an expert utility arises. SysTools OST Recovery is a tool which helps to Repair Outlook OST File 2019, 2016, 2013, 2010, 2007, and 2003 without any data loss within a short time.