How to Import OST file into Outlook

Are you the one who wants to know how to import OST file into Outlook? If so, you've come to the right place this blog is for you only. In this blog we are going to discuss some methods for accessing the Outlook OST file in Microsoft Outlook. Read this blog to import the OST file into Outlook application.

As we know, OST is an offline storage table file that stores copies of email from an Exchange server. It proves to be very beneficial when you are not connected to the internet as you can work in cache mode. However, once you are connected to the internet, your OST file gets synchronized automatically with the mail server, and uploads all the changes done. If the OST file gets corrupted, it will be completely unreadable. In order to make your OST file readable, you will need to recreate it. These technical guides will help you import OST file into Outlook.


Below are the simple steps to import OST file into Outlook profile. Read on for the full procedure:

  • First of all you need to close your Microsoft Outlook email client and ensure that it is not running
  • Now in the Start menu, click on "My Computer"
  • Now search for the storage location of the OST file on your system and select it. The storage location of your OST file will change. It depends on the different Windows version.

In Windows XP: C:\Documents and Settings\username\Local Settings\Application Data\Microsoft\Outlook directory


In Windows Vista and Windows 7: C:\User\username\Local Settings\Application Data\Microsoft\Outlook directory


  • After navigating to the Outlook Directory folder, locate the Outlook.ost file.
  • Simply select the "Outlook.ost" file and drag it to your desktop
  • Now copy the old OST file that has to be imported into this "Outlook directory" folder
  • Now you have to rename this OST file to "Outlook.ost"
  • When you open the Outlook application, this new OST data is automatically imported and used as the primary OST file.

Apart from this, if you want to work on PST files instead of OST, you can even restore data from OST file to PST file and then import that PST file into your Outlook profile.


By using the steps we discussed above, you can accurately import OST file into Outlook profile. Although the steps in this process are simple and straightforward, extra care must be taken when importing. This is because there are numerous ways that your OST file could get corrupted while copying. This would put you in an emergency situation.


In such cases, you can use the Regain OST Recovery software that will fix the damaged OST and convert it to a PST file for safe and easy access to your Microsoft Outlook data. In addition, this application provides users with a handy guide on how to repair OST files after corruption due to virus and malware attack and other reasons. If you want to avoid all of this, you can use Regain OST File Recovery Software, a holistic tool for all of your Outlook-related problems like backing up your important emails. Move the entire Outlook OST to a new computer.