How to reset OST file in Outlook?

Last updated on January 15th, 2024 at 06:02 pm

OST files are referred to as Offline storage files. These files are an inherent feature of MS Outlook. It takes up a backup of all data, emails, and other information so that the users can work even in an offline mode. However, these files are susceptible to damage due to various reasons. Here, in this article, we will look at the reasons behind OST file corruption and the steps to reset OST files in Outlook.

Fix all Outlook OST file-related issues through eSoftTools OST to PST Converter Software, and also convert OST to PST, Zimbra, vCard, CSV, MBOX, HTML, Gmail, Office 365, and many more file types.

DOWNLOAD NOW       Purchase Now

Reasons why OST files get damaged

Several reasons lead to the corruption of the OST file and thus make it inaccessible. Here, we have mentioned the possible reasons behind it

  • Sudden power outrage during OST file synchronization can lead to this problem
  • If the user shuts down MS Outlook during the middle of the session.
  • Virus or malware attacks
  • If the user installs incompatible Outlook add-ins.

How to reset the OST file in different versions of Outlook?

If your Outlook application malfunctions then the user needs to delete the present OST file and recreate a new file.

Step 1- Delete the old OST file

  • Exit from Outlook
  • Click on the Windows + R button and type “%LOCALAPPDATA%\Microsoft\Outlook\”, now press the OK button.
  • This command will automatically search OST files available in different versions of Outlook.
  • Now, the user has to select and delete the OST file by pressing the delete option.

Step 2- Reset the OST file in Outlook

  • Launch MS Outlook and click on the file menu and then Info
  • Click on the account settings tab and now press Microsoft Exchange
  • A setting wizard will appear and from there the user has to go to more settings and click on the advance tab.
  • Now, the user has to select the offline folder file setting.
  • Search for the location to save Outlook.ost file and then press the OK button.
  • If you are getting the error “OST file doesn’t exist. Would you like to recreate it?”,  click OK.
  • Hit the Exit button and close the application.

Best Method to Re-Access OST file

eSoftTools has launched third-party software OST file recovery which will assist you in repairing corrupt OST files and exporting old OST file data to new/healthy PST files for resolving Outlook errors.

 Here are the outstanding features of the software: –

  • It saves Outlook OST files into different formats
  • It is compatible with the different versions of Outlook and the user can recover the maximum corrupt files
  • The user can see a live preview of the file converting process to transfer the OST file database with more security.

DOWNLOAD NOW       Purchase Now

Working Video of OST to PST Software:-


If the above-mentioned manual methods cannot offer you satisfactory results, you can try our OST recovery software. It is one of the reliable software that helps you to access OST files without any data loss.

DOWNLOAD NOW       Purchase Now

Post a comment