Recommended Methods to convert Outlook OST to PST

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Recommended Methods to convert Outlook OST to PST

MS Outlook is one of the widely used desktop email clients that provide high security and easy to use interface. The Outlook saves whole data in the local machine using file extension .ost & .pst. But, once you move from one PC to another and need access to the Office storage Table (OST) data on a different system. Then, you need to have the relevant PST file. So here in this blog, we will discuss the most recommended method to convert Outlook OST to PST. But before we move to the appropriate solutions, let’s take a look at reasons to import OST to PST mentioned below.

Why Move OST File to PST File Format?


OST is a very crucial file format and always has a higher chance of getting corrupt. Moreover, to keep the OST data safe and secure, several users migrate Outlook OST to PST for backup purposes. Some other reasons like a job change, data migration, etc. accompany the user’s urge to convert OST to PST format.

Here, we have observed a few reasons why users feel the need to move OST files to PST format. Now, let’s discuss the methods to move OST to PST in the next segment of the blog.

How to Import OST to PST?

There are many methods to convert OST files to PST but, here we will discuss the two most recommended methods to transfer OST Files to PST. To perform these methods, you may need to connect to the Exchange server and install Outlook on your system.

Note- Before you start executing these methods, always make sure to have an updated backup.

Method 1: Export mailbox to PST file:

First of all sign-in to the Outlook with the MS Exchange account and follow the steps as given below:

  1. Redirect to the File menu.
  2. Next, select Open and Export >>Import and Export option.
  3. Now, choose ‘Export to a file’ from ‘choose an action’ wizard and tap Next.
  4. Choose ‘the Outlook data file(.pst)’ from the option ‘create a file type’ and press Next.
  5. Then, select the folder required you wish to convert and hit Next to proceed.
  6. Set the path for the file and then mark the option ‘do not export duplicate items’.
  7. Tap the Finish button.

Method 2: Convert Outlook OST to PST file Using Archive

Go through the following steps and execute them on your system carefully:

  1. Initialize the MS Outlook
  2. View the File
  3. Choose Options and select Advanced option
  4. Now, Press on Auto Archive button
  5. Put the number of days to execute the Auto Archive
  6. Now give the location and press on the OK button

So here we discussed the most recommended method to migrate Outlook OST to PST. However, these methods have also consequences and limitations.

Limitations/Drawbacks of manual Solution:

Several limitations accompany the above manual solution. Furthermore, the user might face some of the common challenges given below.

1- The Outlook must be installed on the device.

2- Exchange Server is offline.

3- Higher Possibility of data loss.

4- Consumes a lot of time.

5- Technical methods require prior technical knowledge.

We will now observe the consequences that you may face while executing the above methods. So, if you run out of time and have no technical knowledge, then make sure you use a third-party utility like OST to PST converter. Moreover, the OST converter is a completely safe and universal utility that exports multiple offline OST files to PST format. The tool is enriched with numerous unique features, that make it an extraordinary product among others. Some of the main features of the utility are bulk conversion, search option, preview facility, email filter options, quick conversion, etc.


Here in this write-up, we discussed the most appropriate methods to convert Outlook OST to PST. If somehow you fail to solve the issue, then you may take the help of a third-party utility. This utility helps you to get a hassle-free solution.

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