How do I Open Another User’s OST file?


If you are looking for the solution to open another user’s OST file. Then you no need to worry because after reading this post you will get the easiest solution to transfer another user’s OST file by using OST to PST Converter.

Microsoft Outlook is one of the most powerful and widely used email applications. It stores its complete mailbox data and also allows you to send and receive emails for communication purposes. It contains its complete mailbox data on OST and Outlook default PST format.

OST stands for offline storage table that stores complete mailbox data on a local drive. It is automatically created on your local drive when you configure an IMAP or Exchange account. 

Reason to Open Another User’s OST File

  • When a user receives an OST file from their clients and wants to access it on their own Outlook profile.
  • If a user wants to migrate from one computer to another.
  • Sometimes, users want to open their old OST file.

How to Open Another User’s OST File Manually?

If you are the owner of the exchange profile or have an active Outlook account. Then, you can export into Outlook default PST format by using step-by-step instructions as we have mentioned below:

  • First, run Outlook and go to the file tab.
  • After that, tap open and export and press import/export.
  • Browse Export to a file and click on the next button.
  • Now, choose Outlook PST File and click next to continue.
  • Choose mailbox data as you wish to export.
  • Finally, set the path for the result and press finish to get output quickly.

Limitations of Using Manual Solutions

  • It will consume lots of time and be a very lengthy process.
  • Users must have strong technical information to operate this solution.
  • You can’t restore and convert orphan, corrupted and inaccessible OST files.

How to Open Another User’s OST File Via Automated Solution?

As there are lots of limitations that are required to face a manual solution. So, we recommend you to opt Corbett OST Converter is an excellent choice and allows you to export into Outlook default PST format and easily access any Outlook profile or account.

  • Download an automated solution to run it on your system.
  • Browse the OST file and upload it into the software panel.
  • Choose Outlook default PST format in the list of exports.
  • Finally, set destination and press save to get output quickly.

Other Prominent Features of Using Automated Solution

  • It preserved the mailbox data structure the same as before the conversion.
  • This wizard is very simple to perform by all types of technical and individual users.
  • You can also recover and convert orphans, corrupted and OST reached maximum size.
  • With this wizard, you can also convert specific mailbox data as per date range, subject, sender and recipients etc.
  • It also offers you to restore OST file.


In this tutorial, we have shared the way to open another user’s OST File manually and an automated solution. If you have an active Outlook OST file then you can opt Outlook import/export features to complete the process. Otherwise, we need to opt for an automated solution as we have mentioned in the past to complete the process without any trouble.

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