How to Convert OST to PST Format Easily

Many Outlook users have queries on how to convert OST to PST file format. So, here in this article, we will discuss the recommended solutions for a hassle-free conversion process. If the user is working in the offline mode in MS Outlook, the mailbox data will get saved in the OST (Offline Storage Table) file format. The changes the user has made will be updated once the connection of the Exchange server is re-established. The OST file cannot access the important mailbox information if the Exchange server is not available. MS Outlook saves all it’s mailbox items in PST (Personal Storage Table) file format. Outlook offers some amazing features for sending and receiving emails that attract users. OST data cannot be accessed directly in MS Outlook, users need to save OST as PST first. Here you will be provided with perfect methods of how to convert OST file to PST file format.

Why Is There a Need to Export OST to PST Format?

Some of the reasons to convert OST to PST online are mentioned below. There can be various reasons for the conversion and some common reasons are listed here.

  • Accidental deletion of the Exchange server account.

  • The exchange server crashed or failed.

  • Backup Exchange Mailboxes.

  • Maintenance of the Exchange Server.

Now, let's move further to the process of OST to PST conversion manually. However, keep in mind that there are several limitations of using the manual technique that we have also mentioned in this article. 

How to Convert OST to PST Manually?

To users queries on how to export OST to PST file format, we will discuss three manual methods here. It is suggested to create a copy of the original data before starting the conversion process as there are several limitations and risks of severe data loss due to human error.

Method 1: Import/ Export Method

  1. Launch the MS Outlook program on your system.

  2. Go to the File tab.

  3. Select the Import/Export option.

  4. Click on Export to a file

  5. Hit the Next button

  6. Now select Personal file folder (.pst) 

  7. Click on the Next button.

  8. Go to parent root and click on Include Subfolders.

  9. Browse to define the path to the resultant file.

Method 2: Drag and Drop

Users here need to create a new PST file and then select all the OST mailbox data that they want to export to Outlook PST and drag and drop them in the newly created PST file.

  1. Open MS Outlook program.

  2. Create a new PST file in the Outlook.

  3. Select all the OST mailbox data to convert them to PST file format and then copy and paste all of them in the newly created PST file.

Method 3: Use Outlook Archive Feature

After enabling the archiving feature in Microsoft Outlook, emails will get automatically saved in PST file format. To do so, follow the below steps - 

  1. Open Microsoft Outlook.

  2. Go to the File section.

  3. Click on the Options.

  4. Now, Go to the advanced section.

  5. Click on Auto Archive settings…

  6. Browse the location to define the path to save the resultant archived file.


  • The more time-consuming and tedious conversion process.

  • The manual process does not support the conversion of corrupt OST files.

  • Technical expertise is required.

  • Risk of data loss during the process.

These are some of the limitations with the manual solution of conversion. To avoid such limitations users can try an alternate professional method which will help with an effortless solution of conversion.

How to Convert OST to PST Format using Professional Solution?

To overcome all the limitations, users need a professional solution that will help to save OST as PST format. Check out the outstanding DRS best OST to PST converter online which is the most reliable and trusted solution available in the market. Users aren't required to have any technical knowledge to perform the conversion using the utility. The utility offers several amazing features and some of the features are listed below.

Salient Features

  • Easily export OST mailbox items to PST, MBOX, EML, EMLX, PDF, Gmail, Yahoo, Thunderbird, AOL mail, etc.

  • Supports the conversion of password-protected OST files.

  • Exports mailbox items including emails, tasks, journals, contacts, etc.

  • User-friendly GUI.

  • Restores the corrupt OST files.

  • No technical expertise is required.

  • There is no risk of data loss.

  • Supports all the versions of Windows.

  • The free demo version is available that allows exporting 25 emails for free.

Wrapping Up

Above in this article, we have discussed some recommended methods on how to convert OST to PST file format. With the use of manual methods, there are several limitations and risks to our important database. So, it is suggested to use the advanced professional best OST to PST converter online for a hassle-free and quick solution of conversion.


This post is locked

Don't be a Stranger!

Sign up today to participate, stay informed, earn points and establish a reputation for yourself!

Sign up! or login


This website uses cookies. By continuing to use this site and/or clicking the "Accept" button you are providing consent Quest Software and its affiliates do NOT sell the Personal Data you provide to us either when you register on our websites or when you do business with us. For more information about our Privacy Policy and our data protection efforts, please visit GDPR-HQ