How to Open OST File into Outlook 2019, 2016, 2013, 2010?

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  • Updated on May 25th, 2023

Summary: If you have a query like, how to open OST file into Outlook 2019, 2016 or below versions, here is the answer to your query. In this write-up, you will get a detailed answer to the query. Why do you need to open an .ost file? How to access the file content? What should be the best solution to open OST file? So, read till the end.

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‘Offline Storage Table’ which is abbreviated as OST and is also known as Offline Outlook data file keeps a synchronized copy of the mailbox information on your local computer. It is a type of file used by Microsoft Outlook applications, Office 365, Exchange, IMAP, and

Sometimes, an OST file gets damaged and it completely becomes unreadable. So, if you want to read corrupted files, you need to repair them first. Only then you can open the OST file in Outlook 2019,2016,2013,2010. Outlook is a popular email client for users. It provides a wide range of collaboration, messaging, and security features.

Read below the circumstances in which users will have to open an OST file in Outlook 2010.

Why Do You Need to Open OST File into Outlook?

There may be many reasons why one needs to OST file to Outlook. Below we discuss some of the most prominent scenarios for opening OST files in Outlook 2010.

  • When you are transferring data from one device to another. You need to migrate the OST file to Outlook on the other device.
  • Sometimes, the MS Exchange server crashes unexpectedly due to various reasons like
    • Power Failure
    • Malicious and Virus attack in your system.
  • When the available storage space has depleted. You need to export the OST file to Outlook.
  • In a network problem during file synchronization.

These reasons lead you to shift your OST file to another device and open the OST file in Outlook. Let us check how to open OST files in Outlook 2013.

Also Read: Top 5 OST Recovery Tools on Users Reviews

Manual Method to Import OST into Outlook

You can adopt numerous techniques to open OST files into Outlook applications. We will discuss some of the most popular methods. However, basic knowledge of Outlook features is mandatory to perform the steps.

#1. Through Import/Export Feature

  • Open the Outlook application in your system and go to the File options.
  • Click the Open & Export Then, press the Import/Export icon.
  • Now, choose the Export to a file option and click the Next button.
export to a file
  • Select Outlook Data File (.pst) from the option and hit Next.
  • Now, browse the location where you want to save the file. Mark the Replace duplicate with items imported and then click the Next button.
replace duplicates
  • Select the PST files that you need to import, mark the Import items into the same folder in the options and then click on the Finish button to complete the process.

#2. AutoArchive Outlook Mailbox

  • Launch the Outlook application and press the File button.
  • Now, choose the Options It will open the Options wizard.
  • Select the Advanced tab option and then press the AutoArchive
  • Choose the archive frequency and other options.
  • At last, click on the OK button to save changes.

In the above steps, we show the manual method to open OST file into Outlook, but it has some limitations. It may be possible that OST cannot be opened Outlook 2013. DIY solutions are not preferred by every user. These techniques have numerous limitations.

Limitation of Manual Method

A manual approach to open OST files in Outlook 2013 is considered efficient but not feasible for everyone. Most users experience the following issues with DIY solutions.

  • Complicated and time-consuming steps.
  • Chances of file corruption are high.
  • You cannot import complete data using the manual steps.

Now, you might be thinking, if the above methods are not suitable, what should we do? The answer is to convert OST to PST file format using the professional tool. OST files are vulnerable and can get damaged. Also, you cannot share and transfer such files.

We suggest you the best alternative to the complicated manual methods.

Professional Method to Open OST File into Outlook

DRS OST to PST Converter Tool is a must-have utility for every Outlook user. It efficiently converts all your Outlook OST file content into PST file format without disturbing the file integrity. It provides numerous advanced features to make the migration smooth and precise. Therefore, it is the complete solution for both beginners and advanced users.


In the above article, we have explained what Outlook OST files are and why you may require importing them into the Outlook application. We provide you with feasible techniques to do so. However, a better alternative to the situation is to convert your Outlook OST files to PST file format using the professional tool.

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