How to Convert MBOX to PST for Outlook – Complete Guide

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  • Updated on August 18th, 2025

Summary: Searching for a trusted solution to convert MBOX to PST without any data loss? If the answer to this is yes, then you are in the right place. Here, we guide you through the methods used for conversion on both Mac and Windows. Generally, there are two approaches: one is manual, another is the automatic MBOX Convertor Tool. Below, we will discuss both approaches.

This is important for the user who wants to access their emails in Outlook. Because it is a native and compatible file format for MS Outlook. Moreover, PST files offer offline access to all emails without an internet connection.

Top Reasons to Convert MBOX File to PST?

You should have a proper understanding of the reasons to convert the MBOX file to PST. Check the given reasons for conversion below. 

  • Multiple Data Support: The MBOX file format only stores emails and attachments. But PST format supports all types of data like calendars, tasks, contacts, and more.
  • Security: Outlook has security features like anti-spam and password protection.
  • Better Accessibility: Outlook allows access to data files without internet connectivity.
  • Large Data Volume: PST file is used to handle large data volume compared to MBOX.

Methods to Convert MBOX to PST File

In this particular section, we will discuss the manual and professional methods. Moreover, in this guide, we have different methods for the Mac and Windows operating systems. 

Manual Methods to Switch Formats

Here you will find two manual methods for the conversion process. First, we are going to discuss the manual method for Windows and then for Mac users.

Procedure 1: Convert MBOX Files to Outlook PST – For Windows

This method is divided into three parts, and each parts contain some steps that you should follow for conversion.

Part 1: Export MBOX emails as EML files

  1. To begin, open the MBOX email client, right-click on a folder, and select New Folder from the menu list.
  2. Name your folder and click Create Folder.
  3. Then, select the emails willing to migrate and move them to the folder you created recently.
  4. Once all email is transferred, click and drag to select all and choose Save As.
  5. This will save it in EML format at your given path.

Part 2: Saving Emails in an External Folder

  1. Now, open your recently created folder where you saved your EML files.
  2. Then, select the desired emails and drag and drop them to the Outlook application.

Part 3: Export Data into PST Format

  1. Open the Outlook application and move to the File tab.
  2. Then, click on the Open & Export option.
  3. Now, choose the Import/Export option.
  4. After that, select the Export to a file option and click the Next button.
  5. Select Outlook Data File (.pst) and press Next
  6. Click on that folder where all your email files are stored. Then, hit Next.
  7. Finally, define the destination of the file and click Finish.

Procedure 2: Convert MBOX to PST on Mac

This method is reliable for those who use the Mac operating system. This procedure needs Apple Mail, Eudora, Outlook Express & MS Outlook in your system. Do not miss any step it can lead to process failure.

  1. To start, open your Apple Mail and click the File option.
  2. Then, choose to Import Mailbox option.
  3. Now, set up the MBOX file in the Eudora folder.
  4. Access the location by the given path:
C: Documents and Application Data\Qualcomm\Eudora
  1. Open Outlook Express, go to the File option >> Import, and then click the Message option.
  2. Check Eudora from the list and click Next
  3. Select the directory where the .mbox file is saved & press Ok
  4. The previous step imports data into the local folder of Outlook Express.
  5. Simply open your Outlook application >> File option.
  6. Next, look for the Open & Export option and then choose the import/export option.
  7. Afterward, choose Import from Another file & click Next.
  8. Now, select “Outlook Express 4.x, 5.x, 6.x, or Windows Mail”, and press Next.
  9. Search for the file you want to import.
  10. Finally, hit the Finish button.

Professional Methods to Convert MBOX to PST 

We will use the MBOX to PST Converter Tool to carry out the file conversion. It helps to break down the complex process in a few clicks. Dedicated tools are used for batch conversion or a large number of files. Find the given steps for conversion using a professional tool.

  1. At first, download and install the MBOX to PST Converter Tool and run it as an administrator.
  2. Then, go for the Select Files/Select Folder option and choose the MBOX file you’re willing to convert and press Open.
  3. Here, your files are added. Now, click Next to proceed.
  4. Now, in this wizard, choose the mailbox item to back up. Also, click preview to preview the files. After preview, click Next to proceed.  
  5. After that, choose PST as the saving option and apply other filters. And hit the Convert button.
  6. Finally, get your converted file from your defined path.

Conclusion

Outlook does not support the MBOX format natively, which is one of the reasons to convert MBOX to PST. The manual methods are useful for smaller files with many limitations. Using a professional MBOX to PST File Converter Tool ensures the quick, secure, and accurate data migration. This tool preserves the folder structure and other attributes. Hence, choose the right method by analyzing the needs for your conversion.

Q1. What is the best tool to convert MBOX to PST?

Ans – If you want to convert a MBOX file to PST, using the MBOX File Converter Tool is a good practice. Because it provides various features like bulk conversion, data filters, and more.

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