BitResQ » Can Thunderbird Import MBOX Files? Get Free Solution

Can Thunderbird Import MBOX Files? Get Free Solution

Shubham Dixit   
Published: Jun 28, 2023 • Import • 4 Minutes Reading

Are you looking for a free way to answer the question “Can Thunderbird import MBOX files?”

Don’t worry, in this blog, we will guide you through a free method to import an MBOX file in your Thunderbird profile.

The MBOX file format is the best file format supported by many email clients like Thunderbird, Apple Mail, SeaMonkey, Opera Mail, Google Takeout, etc. It is a single file format that contains contacts, emails, and calendar events.

If you are planning to import MBOX file into Mozilla Thunderbird, then continue reading this blog. The Thunderbird application runs on both Windows and Mac OS. For any situation where you want to move different file formats, such as MBOX files to PDF or other formats users need.

User’s Concern about can Thunderbird Import MBOX files


“Hello, I am currently using Mozilla Thunderbird email client. A friend of mine sent me an MBOX file, which contains contact details, email messages, etc. I read on the internet that Thunderbird supports MBOX files. But the question is, can Thunderbird import MBOX files? Please suggest me a free solution to accomplish this task.”


Know More About Mozilla Thunderbird

A useful feature offered by Mozilla Thunderbird is that it is an open-source cross-platform email client. It is a desktop-based email client. You can configure multiple email clients via POP or IMAP protocols. All the data is saved in MBOX format.

There are many formats similar to the MBOX file. For example, Opera Mail saves data in the MBS file format, while Eudora Mail saves data in the MBX file format. You can even open them in Thunderbird without changing their extension.

Without wasting your precious time, let us understand how Thunderbird can import MBOX files.

Free MBOX Extractor to Extract Mailbox Emails

Can Thunderbird Import MBOX files?

The answer is yes, Thunderbird supports MBOX files. You can easily import MBOX files into Thunderbird with the free Add-ons plugin. Installing the Add-ons plugin in Mozilla Thunderbird is required for the import process.

#1: Steps to Install Free Add-on

ImportExportTools NG Add-on works on Thunderbird 60.*– 78.* versions.

  • Firstly, open the Mozilla Thunderbird application on your system
  • Secondly, press on the three lines in the upper right corner

    click three lines

  • Thirdly, select the Add-ons option from the drop-down menu

    choose Add-ons option

  • Then, type “ImporExportTools NG” in the search bar

    select ImportExportTools NG plugin

  • After that, click on the Add to Thunderbird option to add ImporExportTools NG (NextGen).

    can Thunderbird import MBOX file

After completing all the tasks, refresh your Thunderbird application.

Also Read: How to Batch Print Thunderbird to PDF?

#2: Steps to Import MBOX into Thunderbird

With these steps, your question will be answered: can Thunderbird import MBOX files? It can be directly imported into the Thunderbird email client.

  1. Run and open the Thunderbird application
  2. Right-click on the left panel
  3. Then mouse over the ImportExportTools NG >> Import MBOX file option

    import MBOX file in Thunderbird

  4. Choose the “Import directly one or more MBOX files” option and then hit the OK tab

    Choose import directly one or more option

  5. After that, Choose the MBOX file where you saved it

    import MBOX in Thunderbird successfully

  6. Finally, all the emails are imported into Thunderbird successfully.

Refer: How to Migrate Thunderbird to Outlook?

Drawbacks of the Manual Method

As we mentioned, importing MBOX into Thunderbird is very simple. Manual and free methods are easier and simpler, but they have some drawbacks:

  1. Not sure your data is completely imported or not.
  2. It will not maintain the email hierarchy.
  3. long process
  4. You need to install the add-on plugin.

Alternative Method to Thunderbird Import MBOX file

Many professional users use advanced solutions to MBOX import in Thunderbird. Because they all know the manual procedure and its limitations.

BitResQ software to import multiple MBOX files in Thunderbird without modifying your data. This software is allow to import of MBOX files with all attachments. However, it is capable to preserve all email components and properties. It is a useful utility because of its user’s friendly interface. No need to require technical knowledge to operate it.

Bottom Line

In conclusion, we solve your query about “Can Thunderbird import MBOX files”. The best part is we provide you simple manual method to complete this task, but we also explain its limitation.

Choose BitResQ MBOX Conversion Program helps users to save MBOX files in multiple formats.