A Step by Step Guide to Convert Outlook OST to PST File

A Step-by-Step Guide to Convert Outlook OST to PST File

Microsoft Outlook is a prominent email client where users can send and receive emails through the Microsoft Exchange server. It also provides access to other functions like contacts, calendars, and task management. Outlook saves all statistics and information on an Offline Outlook data file called Offline Storage Table (OST) with high security. Despite that,  OST files get corrupted and unusable due to bugs/viruses, malware infections, and improper shutdown of the application.   

In this case, users often Convert Outlook OST to PST file to save it on their local computer for future reference. So they don’t have to suffer from critical data loss and corrupt OST files. Although, you have to transfer OST to PST if switching to a new account and needing your old data. Therefore, in this blog post, we are covering everything you need to know about how to convert OST to PST.

How to Convert OST to PST in Outlook?

There are several methods to Export OST to PST and we are going to provide you with two easiest ways to move OST file in PST format.

  1. Export OST files to PST- using the Import/Export feature of Outlook.

  2. Convert OST to PST- using Auto Archiving in Outlook. 

Method 1: Convert Outlook OST to PST File Through Outlook Import/Export Option

  1. Login into your Outlook account.

  2. Open File >> Open&Export >> Import/Export.

  3. Choose Export to a file option and press Next.

  4. Select Outlook Data File(.pst) and hit the Next button.

  5. Pick the folder you want to convert and click Next.

  6. Go to Browse and assign a saving destination to your resultant file.

  7. Click Finish to start the conversion process.

Method 2: Use Archiving Feature to Convert OST to PST in Outlook 

  1. Login to MS Outlook account.

  2. Open File >> Tools >> Clean up old items.

  3. Choose the folder you want to archive.

  4. Click Browse to set a destination path for your resultant file.

  5. Finally, select Finish to complete the process.

These are all the manual methods that can help you Outlook migrate ost to pst files. In addition to this, if you are going for the manual approach then you should be aware of the disadvantages that users face while performing these above procedures.

Why You Should Not Opt for the Manual Method?

Well, if you have decided to use one of the above methods then you should be aware of the limitations of these procedures. Because it can harm and damage your Outlook data. A few demerits are mentioned below.

  • To perform manual methods users need technical expertise. Thus, it is not suitable for non-technical people.

  • The steps are complicated and take a lot more time to process.

  • There are chances of data loss while converting your OST data to PST files.

  • You can not export OST files in bulk because there is a limit to converting with Outlook.

  • It can not convert corrupt OST files.

As a result, these methods are not as safe for your MS Outlook. So what can you do? Fortunately, there is another method by which you can easily convert Outlook OST to PST file. It’s an automated solution, highly recommended by professionals.

Let’s move ahead to see the work of a professional approach.

OST to PST Converter is the best way to move OST files into PST. It is professionally recommended to use the automatic method to export any OST file into PST, as well as in other file formats, like  MBOX, MSG, EML, EMLX, and CSV, including email, attachments, contacts, etc. It also allows users to convert OST files to Office 365, Yahoo, Gmail, Thunderbird, iCloud, GoDaddy Email, Amazon WorkMail, etc.

Well, they are all the methods by which you can migrate OST file data into a PST file format. You can choose any of them it’s up to you. But we suggest you use the professional approach to secure the conversion of your data. 


In the above context, we have discussed the methods by which you can easily convert Outlook OST to PST file. Choose the method that is the most reliable for you. It’s your data. Nowadays, data is a form of asset, and when we talk about protecting it, we must always choose the best way. So we suggest you go with the automated solution for OST conversion



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