How do I Import OST File in Outlook on Windows – Easy Tricks

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  • Published on
    October 19th, 2020
  • Updated on
    April 27, 2022
  • Read Time
    6 minutes
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Summary:- This blog is discussing a common query by every individual these days – how do I import OST file in Outlook 2019? Microsoft has designed the latest version of Outlook 2019 that includes various advancements and impressive features for the users. Thus, upgrading from an old version to a new version will include the importing of an OST file that contains old data. And for this we need SysInfo OST to PST Converter to import OST file to Outlook.

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What is Microsoft Outlook 2019?

Microsoft Outlook is one of the widely used email clients. Microsoft Outlook is essentially used to store, send, and get information from users. These include contacts, schedules, messages, notes, and so forth. As Outlook is common among the enormous associations to get email applications for their representatives. Every single client of Outlook must realize the reality of their files storage and enhancement made by it for example OST and PST files.

What is an OST File?

  • The full form of OST is offline storage table and PST is personal storage table. They are the two distinct records of Outlook. 
  • PST files store all the messages along with emails from the inbox with all the related information from the MS Outlook. 
  • The OST file is a finished copy of the Exchange Server to contain Outlook information. 

An OST File format becomes usable at whatever point the user needs to work with Outlook even in a disconnected mode. Thus, it becomes a general query for every user, “Best way to import OST file in Outlook 2019?”

Outlook Data Files (.ost) are utilized when you have an MS Exchange record and you need to work in the offline mode. They are now a potential resource to store data that can be reused whenever a user switches from one system to another due to any reason. There can be circumstances where you may need to access Outlook offline data file format OST records on an alternate PC in a different system that will require Outlook.

Also Read: How to Import OST File into Office 365?

As you are now familiar with exchange OST files, let’s talk below the main reasons to import OST files into MS Outlook. 

Why are Users Willing to Import OST File in Outlook?

The backup OST file into a PST file format allows the user to migrate data from one place to another. This lets the users shift the collected data into another system. It might happen that the MS Exchange server could crash or a malicious attack can take place. In such scenarios, this converted file ensures backup and security of the data.

How do I import an OST file in Outlook 2019 Freely?

Method 1 – Using Archive Feature

Outlook allows a user to record and store the information by converting all the data from OST file into PST format. Be that as it may, it doesn’t allow the filing of contacts. The steps to follow are –

1.     Open MS Outlook, then open OST file from where you want to import the data.

2.     Click on file, then Info, and then Clean up.

3.     Select the archive. Then select the folder that contains the OST file.

4.     Then provide a date if the data is older.

5.     Provide the destination.

6.     Click the OK button.

Method 2 – Through Import/Export Wizard

In this method, the user needs to login into Outlook with their MS Exchange account that was initially used for creating the OST file. The steps to follow are –

1.     Navigate to Files and click on Open & Export. Then click on Import & Export.

2.     Locate OST file and then click the Next button.

3.     Select the OST file and click on the Next button.

4.     Select the location wherever you want to export the data.

5.     Click the Next button.

We discussed the manual methods to add or import OST file in Outlook and save them to the appropriate OST file location. This method is suitable but has some drawbacks. Let’s see its drawbacks in the section below that you may face.

Disadvantages/ Drawbacks of using the Manual Method

  • Manual methods cannot recover Exchange mailbox from OST files After Exchange crashes, such OST files act as the sole source of data. 
  • There are no manual strategies to convert OST files to PST format. You need the same Exchange account  – One can’t access an OST file with an alternate Exchange account. 
  • They cannot help in converting corrupt OST file. Outlook email users can’t open faulty OST files don’t keep the original OST data intact. In such circumstances, the manual OST to PST conversion becomes practically impossible.
  • To execute the manual process, you need to have technical knowledge. To resolve the disadvantages and challenges in the process of adding an OST file to Outlook , third-party software can be used for Import OST File in Outlook.

But, now you don’t need to worry about these problems as you can easily overcome these by converting multiple OST files into PST. So, do follow this method with the SysInfo OST to PST Converter.  It is a hazard-free and complete OST Conversion utility that sends out numerous offline Outlook data files to Outlook PST format. Later these new PST files can be opened in Outlook. It also exports OST items such as Emails, Contacts, Calendars, Tasks, and other Outlook items. The OST Converter is a programmed software that has various features that make it stand apart from the different options available. They facilitate an excellent alternative to manual methods, choices of email clients, and conversions. 


The world is changing every day and with that technological advancement is taking place. The software gets upgraded with new versions including more features and advancement. With the change of different Outlook versions, it is required to transfer the data from previous versions. The Outlook software stores its data in the form of an OST file and is later imported in the newer version. Thus, it becomes a question of concern ‘how do I import OST file in Outlook 2019?’ Therefore, the blog contains all the relevant information that is required to know about the methods to import OST mailbox items in Outlook. 

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