Open OST File in Outlook 2016 Windows 10 – Step by Step Guide

When Microsoft Outlook is connected to Exchange server it saves the entire mailbox data OST file. Basically, OST is an offline Outlook data file used by Exchange server. This enables the Outlook user to work with their mailbox and data, in the absence of connection with the mail server. When the connection between the Outlook and the Exchange gets established all the changes made in the offline mode gets automatically synchronized with the server. But there are some scenarios in which user have orphaned OST file and the user wants to know how to open OST file in Outlook 2016 windows 10 computer. If OST file is orphaned then it becomes difficult for the users to access in Outlook application. Let us understand with the help of a problem faced by the Outlook application user.

“I am working in reputed MNC as a manager. A couple of days back my boss has given me an Orphaned OST file to collect some important data. But I am not able to view the emails stored in the OST file. I am using the Outlook version 2016. Can anyone help me to open OST file in Outlook 2016 Windows 10 computer? Please help!

Are you also searching for a solution to this problem? or not able to view Outlook emails. Don’t worry just relax! You are landed on the perfect page. In this blog I am going to discuss the solution to this problem, So keep reading here…

As we know that Microsoft Outlook doesn’t provide any option to import the OST file in Outlook application. So to open them and access the data items from the Orphaned OST file. The user has to convert it to PST file format. And there is no direct method available to convert OST file to PST file manually. So the user has to take the help of OST file conversion program.

Why OST to PST Conversion is Required?

There are many scenarios in which OST to PST conversion is required. Suppose you have an OST file. But you are no longer the part of Exchange server. Or in the case may be your profile has been deleted by the administrator or in case Exchange server has gone for under maintenance. Now the only option left with the user is to migrate Outlook OST file data to PST file format.

Important Note: Also the user can read this post to know How to convert OST to PST manually

Know How to Open OST File in Outlook 2016 Windows 10 – With Safe and Reliable Solution

To perform this task the user can take the help of Microsoft OST to PST converter application to resolve this issue. It is one of the most popular applications used by most of the professionals. This software has the capability to convert corrupted/damaged and Orphaned OST files emails. OST file conversion software can easily export email, contacts, etc. In addition this software gives options to export the OST file data to Outlook PST / EML / MSG / Office 365 / HTML file formats. Moreover, the user can easily launch this application on any version of Windows.

Steps to Open OST File in Outlook 2016 Windows 10 By Using OST to PST Converter

  1. First, download and Install the software in your machine.
  2. After launching the software click on Add file button.
  3. Click on Select file radio button and browse the OST file from your system.
  4. Choose the Scan mode from Quick scan and Advanced scan.
  5. After Click on Add file button to start the scanning process.
  6. Preview the OST file data items and click on the Export button.
  7. Select the file format PST to save the data.
  8. Browse the destination location to save the resultant PST file.
  9. Finally, Click on the Export button to start the export process.


In the end, In this blog, we have discussed the problem of how to open OST file in Outlook 2016 Windows 10. So there is no direct method available to perform this task. You can take the help of OST file conversion software to perform this task. The development of this utility has taken the great care of users perspective and has added smart features in this utility. This software is highly reliable and completes the conversion process in very less time.

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