How to Convert MBOX Files to PST Format of Outlook

  •   Written By
  • Published on
    August 9th, 2019
  • Updated on
    September 28, 2022
  • Read Time
    3 minutes
Summary:-MBOX is a unique file format which is suitable for emails in text format and attachments in encoded file format. It is used by various email clients such as Thunderbird, Apple Mail, Powermail, SeaMonkey, Eudora, Entourage, etc. But still, due to some professional reasons, many users mostly Thunderbird users want to migrate Thunderbird to PST or want to convert MBOX files to PST format of Outlook because in MS Outlook many features are suitable for professional uses. Here are some of the methods that can help you to migrate emails with attachments from MBOX File to PST on your device.


Here are some of the features of Outlook due to which people are shifting from Thunderbird and other MBOX Supported Email Clients to Outlook:-

  • MS Outlook PST supports multiple types of data.
  • Advanced format
  • MS Outlook supports Exchange accounts.
  • More control and better security features.

Methods to Convert Mozilla Thunderbird MBOX To PST

Here are some of the easiest methods we have found that will help you to export the MBOX file emails to PST. There are two major steps involved in the manual method that you will have to implement for MBOX to PST migration.

Step 1. Import mailbox using Outlook Express

  • Launch Outlook Express.
  • Now, Go to File >>Import >>Messages.
  • Select ‘Eudora‘ from the list of email applications and then click ‘Next‘.
  • Step 4. Then, browse the location to select the ‘.mbox’ file and click on ‘OK‘. Finally, click on Next>>Next >>Finish.

Step 2. Import Mailbox from Outlook Express to MS Outlook

  • Open MS Outlook to export files.
  • Now, Go to the File>>import and export option.
  • Select ‘Import‘ from ‘another file and folder‘ and then click ‘Next‘.
  • Then select ‘Import Internet Mail and Addresses and then click on ‘Next‘.
  • After that select ‘Outlook Express 4.x, 5.x, 6.x or window mail‘. Click on the ‘Next‘.
  • Choose the file to ‘import and export from the browser option and click ‘Next‘.
  • Select ‘Finish‘ after the process is completed.

A Professional and Automated Method to Convert MBOX to PST

The manual methods seem quite a time taking process, and only a user who has worked on both MBOX email client and Outlook email client can perform the whole process easier. That’s why we suggest an automated utility to convert MBOX files to the PST format of Outlook.

MBOX Converter by SysInfoTools supports more than 20 email clients and is a multi-functional utility software endowed with a simplified interface that enhances the user experience at the time of exporting MBOX to PST files. Here follow the working process of this utility step by step:


Manual methods to convert MBOX files to PST format of Outlook are free but they might not make the best approach and also lead to data conversion in a disorganized way. That’s why we suggest the MBOX Converter utility which is also free for the limited trial period where users can export the first 25 emails from each MBOX file free.

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