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Best PST to MBOX Converter for Mac & Windows to Convert PST to MBOX in Bulk

Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On January 25th, 2024
Reading Time 8 Min Read
Summary: Learn how to convert PST to MBOX in bulk without facing any problems. In this article, we are going to explain complete information with step by step guide to export PST to MBOX using the best 4 methods. we will mention 3 manual methods and the tool PST to MBOX converter for Mac & Windows OS. We have discussed 100% accurate and effective methods that work. Let’s begin…

PST is a file format primarily supported by Microsoft Outlook which is a widely used email client all over the world. On the other hand, MBOX is a more open and standardized file format that is supported by various email clients such as Mozilla Thunderbird, Apple Mail, etc.

As PST is not a standard file format like MBOX, many users look for solutions to convert PST files to MBOX format. So don’t worry, here we have stated complete information. Keep reading….

How to Convert PST to MBOX Manually?

Here we are going to mention three manual methods for PST to MBOX conversion. Here we will use Mac Outlook, Thunderbird, and GWMMO tools. All the methods are given below in detail:

Method 1: Export PST to MBOX on Mac Outlook

As we all know, Mac Outlook also supports PST format. steps are given below in detail.

  1. Simply start Mac Outlook to convert PST to MBOX file format.
  2. Go to File >> Import option.
  3. Select Outlook Data File(.PST) and choose PST file
  4. Finally hit the Import button.
  5. After, importing the file, drag the uploaded mailbox to the desktop.
  6. And it will convert into MBOX format.

Method 2: Convert PST to MBOX Using Thunderbird

Here first, we will connect Outlook to the Thunderbird account, and then we will move data to Thunderbird and export emails in MBOX format. All the steps are given below to export PST to MBOX:

Important Note: Set Outlook as Default App Settings on your Computer.

Step 1: Connect Both Accounts

  1. Open your Thunderbird.
  2. Choose Tools >> Import…

    Tools >> Import…

  3. Select the Mail option and hit the Next icon.


  4. Choose Outlook and the Next button.


  5. Now a folder name will appear as “Outlook Import.

Now we will export Outlook emails to MBOX format, following step 2.

Step 2: Export Outlook Emails to Thunderbird

  1. Restart your Thunderbird.
  2. Choose ImportExportToolsNG from the Tools list.
  3. Select the Export folder with the subfolders option.

    Export folder

  4. Select the location and choose the folder.

    choose the folder

  5. Your file will be saved in MBOX format.

Method 3: Convert PST to MBOX Format using GWMMO

This manual method is divided into two parts, first, we will Transfer Outlook to Gmail account using the GWMMO tool. And then export folders using Google Takeout.

Step 1: Upload PST to Gmail Account

  1. Install the GWMMO tool.
  2. Login with your Gmail account.

    Gmail account

  3. Upload the PST file data.

    Upload the PST

  4. Check the required data and hit the Migrate button.

    required data

  5. The live process will start on the screen.

    live process

  6. After the process, a confirmation will appear.

    convert PST to MBOX

Step 2: Save Emails from Gmail

We will use Google Takeout to download all Gmail emails.

  1. Open Google Takeout to convert PST to MBOX.
  2. Hit the Deselect All option.

    Deselect All

  3. Check the required filters and hit the Next icon.

    required data

  4. Apply the needed filters and click on the Create Import icon.

    Create Import

Limitations of Manual Methods

Manual Methods are good and straightforward to convert PST to MBOX, but have some limitations which are mentioned below:

  • Outlook for Mac must be configured with a subscribed account.
  • Its subscription is so costly, that normal users can’t afford it.
  • Thunderbird must be installed on your system.
  • Users have to follow multiple steps, which makes it a lengthier and time-consuming process.
  • Users will face lots of errors while connecting the accounts.
  • Google Takeout will take 10 to 20 days to accomplish the task.
  • Also, technical knowledge is required for all users to export PST to MBOX.

Best and Instant PST to MBOX Converter Tool for Mac & Windows

The best way to convert PST to MBOX is using RecoveryTools PST Converter, far better than various others. It’s quicker, and much easier to use with better control and no loss of data. This tool is also useful for people who have not installed Microsoft Outlook applications on their computers. It also maintains your folder’s structure.

It is better to use the advanced PST to MBOX converter for Mac and Windows instead of using the Manual method. Experts also recommend this solution as it has all the necessary qualities. The tool seamlessly convert PST file to MBOX format in bulk in just a few minutes, and you may import these converted files into any email application that can play MBOX files.

Download the trial version of this PST to MBOX converter free for Mac & Windows.

Quick Steps to Convert PST to MBOX

  • Step 1: Download PST to MBOX converter.
  • Step 2: Upload PST files and folders.
  • Step 3: Check the required data from the panel.
  • Step 4: Choose MBOX as saving option.
  • Step 5: Select the location to save data.
  • Step 6: Hit the Convert icon to export PST to MBOX.

How to Convert PST File to MBOX Format in Bulk? All Steps

  1. Download and install the given PST to MBOX converter tool on Mac or Windows.

    PST to MBOX converter tool

  2. Upload your PST file or folders automatically or manually using the Select Files and Select Folders options.

    Upload your PST file

  3. Check the required data or subfolders from the software panel, which you want to convert and hit the Next button.

    required data

  4. Click on Select Saving Options and choose MBOX from the drop-down.


  5. Apply the more advanced filter from the Filter Options tab for selective PST to MBOX conversion.

    Filter Options

  6. Browse the path where you want to save the converted MBOX file.

    Browse the path

  7. Finally, you can click on Convert to convert PST to MBOX format.

    convert PST to MBOX format

Advanced Features of PST to MBOX Converter Tool

  • This software can easily load the complete Outlook profile data from the default storage location automatically.
  • Also, if you have exported data files, then this PST to MBOX converter for Mac and Windows provides dual options to upload files and folders using the Select Files and Select Folders options.
  • This tool provides an advanced filter option to export PST to MBOX, which allows users to convert selective and desired emails via Date Range, From, To, Subject, etc.
  • All the folders and subfolders will appear on the screen and check the required data. Also, the PST to MBOX converter allows users to convert emails from all folders including Inbox, Sent, Draft, Spam, Trash, and other folders.
  • Exported MBOX files will be supported in all email clients including Thunderbird, Apple Mail, Entourage, Opera Mail, etc.
  • This tool supports all PST files exported from all versions including Outlook 2021, 2019, 2016, 2013. 2010 and all previous versions to convert PST to MBOX on Mac and Windows.
  • Download the PST to MBOX converter tool for Mac & Windows. It supports all versions including Windows 11, 10, 8, 7, and all versions.

Frequently Asked Questions

  • Ques 1: Can Outlook export MBOX file format?

    No, Outlook not export or supports MBOX format. But yes, you can export data from Outlook using a third-party email client.

  • Ques 2: What is the difference between PST and MBOX?

    The MBOX format is like a storage box for emails, helping keep them safe. The PST format, on the other hand, is like a storage space specifically for Outlook emails. It holds everything from emails to folders and settings.

  • Ques 3: Does Gmail use MBOX?

    No, Gmail doesn’t use MBOX directly, but yes you can export Gmail emails to MBOX using Google takeout.


This article provides a comprehensive guide on how to convert PST to MBOX with three effective methods. Among other advantages such as speed, ease of use, and upholding folder structure, this PST to MBOX converter is also fast in performance to export PST to MBOX. This will convert into enhanced data portability, seamless data migration, and operating systems independence for MBOX. Choose the best solution for you and have a hassle-free PST to MBOX conversion.