How to Convert MBOX to PST with Stellar Converter for MBOX

Image by Alex Kunchevsky

Many email clients, such as Thunderbird, Apple Mail, Opera Mail, etc., use MBOX file format for saving emails and other items. On the other hand, Microsoft Outlook supports the PST file format. This means that if you want to export your MBOX mailbox to Outlook, then you can’t do it directly. You need to convert the MBOX file into Outlook importable PST format.

The only way to convert MBOX into PST is by using a third-party MBOX to PST converter tool. Stellar Converter for MBOX is one such tool that you can use to migrate mailbox data from an MBOX-based email client to Outlook.

Stellar Converter for MBOX – An Overview

Stellar Converter for MBOX is an advanced software that converts MBOX files into PST and other formats, such as PDF, RTF, HTML, EML, and MSG.

It helps the users of MBOX-based email clients, such as Apple Mail, Opera Mail, Thunderbird, SeaMonkey, etc. to migrate to Microsoft Outlook safely and quickly. Stellar Converter for MBOX also allows to preview the MBOX file data before saving it.

System Requirements

To download and use the software, the following minimum system requirements must be met:

  • Processor: Pentium Class
  • Operating System: Windows 10, 8.1, 8, 7
  • Memory: 2 GB Minimum (Recommended 4 GB)
  • Hard Disk: 250 MB of free space

Stellar Converter for MBOX – User Experience

I tested Stellar Converter for MBOX on a Windows 10 system with Core i3 processor and 4 GB RAM. Downloading and installing the application was a simple and seamless process. When I launched the application, the following window opened:

Stellar Converter for MBOX Screenshot 1

The application provides a list of more than a dozen popular email clients that use MBOX file format. These include Thunderbird, Claws Mail, Opera Mail, Cone, Mozilla Mail, Apple Mail, SeaMonkey, Netscape, etc. For testing purposes, I had an MBOX mailbox file of Thunderbird. So, I selected Thunderbird option and clicked the Convert button.

Note: The program also offers a Find File button that helps you to locate the MBOX files on your system.

The application scanned the provided MBOX file. Once it was done, it displayed a notification.

Stellar Converter for MBOX Screenshot 2

When I clicked the OK button, the program displayed all the emails stored in the MBOX file in a three-pane window.

Stellar Converter for MBOX Screenshot 3

All emails were listed in the middle pane and selecting a specific mail presented the email’s text in the right pane. All attachments shared with the email were also displayed in the right pane.

Interestingly, there is also a search field in the preview window’s middle pane. You can search for specific emails by using email headers, such as To, From, Subject, etc. Additionally, you can combine multiple search filters to refine the results.

I tested the search option with different keyword combinations and the results were impressive. The utility filtered the emails almost instantly and made it a lot easier to find the emails.

When I was done reading the emails, I clicked the Save Converted File button on top, under the Home tab.

Stellar Converter for MBOX Screenshot 4

A Save As window opened that listed many file format options for saving the MBOX file. These options were New PST, Existing PST, Office 365, MSG, RTF, EML, PDF, and HTML.

Stellar Converter for MBOX Screenshot 5

I selected the option New PST and clicked the Next button. A new window opened in which I provided a folder’s location for saving the PST file and clicked OK. The program then started saving the data. When it was done, it displayed an alert box. In the box, a link Open Containing Folder was also present that conveniently took me to the destination folder.

Stellar Converter for MBOX Screenshot 6

Note: In the file format selection window, the application provides Apply Filter function. You can use it to convert only specific emails in your mailbox. For instance, you can provide a date range or specific email addresses. The program will filter the emails accordingly.

Software Editions

Stellar Converter for MBOX application has two editions – Corporate and Technician. The differences in both editions are shared in the below table.

FeaturesCorporateTechnician
Saving OptionsPST, EML, and MSGPST, PDF, HTML, MSG, EML, and RTF
Export to Office 365NoYes

Verdict and Rating

Stellar Converter for MBOX is an outstanding MBOX to PST converter utility that offers all the features you would expect from such an application. It is easy-to-use, comes with a highly polished and intuitive UI, and offers safe and quick MBOX to PST conversion. Considering everything, I would give it a rating of 4.7/5.

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