How to Convert MSG to MBOX: Easy Steps & Tools
Why Convert MSG File to MBOX?
There are several reasons why convert emails from MSG to MBOX, such as:
|
Key Feature |
MSG (Used in Microsoft Outlook) |
MBOX (Thunderbird, Apple Mail, etc.) |
| Platform Compatibility | Restricted to Windows and requires Outlook to open and manage emails. | Works securely across macOS, Linux, and Windows platforms. |
| Portability | Limited, as it relies heavily on the Outlook environment. | In contrast, highly portable and supported by multiple email clients and systems. |
| Batch Processing | Difficult to manage in bulk; manual steps are often required. | Supports bulk handling easily with many available tools. |
| Cloud Migration Support | Offers minimal support for cloud-based email platforms. | Besides that, broadly supported by cloud migration tools and services. |
Real-World Scenario:
A data team managing archived client communication in MSG format faces issues when migrating to a Thunderbird-based internal ticketing system. MSG files can’t be opened or imported easily, which leads to data loss. That’s why change MSG to MBOX becomes critical to maintain business continuity.
Manual Method to Convert MSG to MBOX: Limited
If you have only a few emails to convert, you can use this method. Also, you need to use Outlook and Thudnerbird to perform this conversion manually. Here is how you can perform it:
- Firstly, open Outlook and drag all MSG files into it.
- Then, save each email as an EML file format:
- Right-click on the email and choose the File option.
- Then, click on Save as and select EML.
- You can also convert MSG to TXT format.
- After that, open Thunderbird and click File.
- Now, choose the Import option and select Import all EML files.
- After importing all EML emails, export them as MBOX format.
Drawbacks of the Manual Method
The manual method is free to use, but it has several limitations, such as:
- It might be time-consuming and complex to perform.
- This manual method is easily prone to errors.
- It might not work properly with all email clients.
- Moreover, not preserve data formatting.
- Chances of losing important data.
Important Note: To avoid these limitations. You can use the alternative method, which is discussed below.
Dedicated Software to Convert MSG to MBOX
For bulk conversion, you can use the professional MSG Converter Tool. This tool is specifically designed with smart technology that converts MSG files without hassle. You can preserve the data confidentiality, integrity, and accuracy of your original data. With its simple interface, both tech & non-tech users can easily use and perform it. Moreover, you can convert MSG into several other formats (File formats & email clients).
Why Convert Outlook MSG to MBOX Using MSG Converter?
This top-notch utility offers several features, such as:
- You can preview the added MSG files before saving them.
- Apply the Remove Duplicate feature to delete duplicate emails.
- Date filter for selective email migration based on date ranges.
- Highly compatible with all Outlook & Windows versions.
- A free demo version is available to explore its features.
How to Export MSG to MBOX?
- Download & install the MSG Converter Tool on your PC.

- Choose the Select Files option & add the MSG file. Click Next.

- Then, you can cross-verify the added MSG files. Press Next.

- Now, pick MBOX as the Saving option from the given list.

- Lastly, apply advanced features and click Convert.

Related Post: Import MSG Files into Thunderbird.
Conclusion
In this technical blog post, we discussed several methods to convert MSG to MBOX. The manual method is used for a small number of MSG file conversions. On the other hand, the professional tool allows you to perform bulk conversion with no data loss or minimal disruption. Moreover, you can try the demo version of this utility to explore its features and functionality.
Frequently Asked Questions
Ans: No, using a professional MSG Converter Tool allows you to convert MSG files to MBOX format without needing Microsoft Outlook installed on your system.
Ans: Follow these simple steps to convert multiple MSG files at once:
Launch the MSG Converter Tool >> Choose Select Files (Add multiple MSG files) >> Preview >> pick MBOX (Saving option) >> Advanced features >> Convert.
About The Author:
I, Aaradhya Jain, a technical content writer at DRS Solutions, specializes in delivering clear, practical guides on data management, migration, and recovery tools. With a detail-oriented and user-first approach mindset, I transform complex processes into actionable insights for IT professionals and decision-makers.