Note: Before deleting the file, close the Account Settings and Mail Setup windows otherwise, the system will give an error message.

Right-click on the OST file and click the Delete option to delete the file.

Click on Data Files, choose the OST file, and then click Open File Location (to go to the location where a particular OST file is residing).

The newly opened dialogue box Account Settings will have all the Outlook accounts.It will open a dialogue box named Mail Setup – Outlook.Next, open Mail from the Control Panel.If it gets deleted, a fresh copy can again download from the Exchange server.To recreate OST files, you need to follow the steps that are listed below: OST file is an offline version of the Exchange user mailbox. Based on the following Outlook version, you can follow the below steps to create OST file in Outlook. It is suggested to take a backup of the OST file before proceeding. When you delete or rename your OST file, Outlook will automatically recreate it. Recreating the file is an easy way to deal with almost all forms of OST file issues. However, in versions like Outlook 20, there are easier ways to repair and recreate OST files. In the 20 versions, the repair option was specifically designed for Outlook installation files and registry entries. File Repair Options in Different Versions of Outlookīefore you recreate OST file, file repairing can also be performed to repair the corrupted files in Outlook. Nowadays, various ways to rebuild or recreate OST files in Outlook make the specific process reliable.

You don’t need to worry, as this problem can be fixed by recreating the OST files. But, if the OST file gets damaged due to various events, such as virus or malware intrusion or system crash, it stops synchronization and error messages in the application.

A OST data file stores a synchronized copy of mailbox items in the local system, you can make changes in the application even in offline mode.Once you go online, the performed changes will be synchronized with the Exchange server. Have you ever been in a situation where your OST (Offline Storage Table) file gets inaccessible due to corruption? This problem may become the reason behind several issues in the Outlook application, such as it stops working, abnormal behavior, sudden application crash, mailbox not opening, etc.

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