Convert Inaccessible OST to PST

How to Convert OST to PST to access an Inaccessible OST File?

A replica of userís Exchange mailbox is called Offline Storage Table (OST) file. This file contains userís emails, contacts, and other details similar to what is available on the Exchange Server. The benefit of OST file is that it helps you to work offline, which means even the Outlookís connection to the Exchange Server is broken, you can work offline. While it is the benefit of OST file, you may come across a situation when this file becomes inaccessible. The OST file can be inaccessible when userís mailbox is deleted from Exchange server, userís mailbox is corrupt, or the Exchanger server database is damaged. In such a situation, Outlook cannot recognize the OST file when you set it to work in an Offline mode, and you get the below error message:

"Cannot open your default email folders. The file xyx.ost is not an offline folder file."

The xyz.ost is the name of OST file, which has become inaccessible.

You see the above listed error message due to below reasons:

     
  • MS Outlook is not able to identify the OST file because it is damaged.
  • MS Outlook is not able to find the userís mailbox on Exchange Server, which was linked to the OST file. In such a case, synchronization gets failed, and MS Outlook displays the related error message.
  • When the aforementioned error message appears, you get into a situation of data loss where you have no more access to emails, etc.

How to Convert OST to PST to access an Inaccessible Exchange OST File

Perform the below listed steps to fix the OST error message:

 
  • Close MS Outlook.
  • Navigate to the location of OST file. If you do not know the location of OST file, then use the Search feature of Microsoft Outlook to locate the OST file.
  • Copy the OST file.
  • Delete the original OST file.
  • Restart MS Outlook and activate the Offline mode. If the problem was with the OST file, and userís mailbox on the Exchange Server had no problem, then a new OST file will be created automatically. However, in case, the Outlook has failed to create a connection with userís mailbox, as it is no more available or damaged, then you are left with only one solution, which is converting OST to PST.
How to Convert OST to PST to access emails and other data from the inaccessible OST file?

You can use an efficient software to convert OST to PST. The software will scan the corrupt or orphan OST file, fetch all data from it, and then you will be able to save that data in a PST file. You can save this PST file anywhere you want on your PC. After the PST file is created, start MS Outlook and import the newly created PST file with it. This way you can get back the inaccessible data. One of the well-known OST to PST Converter is Stellar OST to PST, which is known to deliver good results in less time.

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