How Do I Export SeaMonkey Mail to Thunderbird?

Bhawna Barwal | email conversion file conversion how to mbox software technology thunderbird Uncategorized | 4 minutes read | Modified on: 26-07-2025

Introduction

If you are a long-time user of SeaMonkey Mail but looking for more advanced, feature-rich, and regularly updated email client then Mozilla Thunderbird is a rational choice. Both applications are open-source and share similar architecture, which makes transitioning from SeaMonkey to Thunderbird relatively straightforward. However, manually transferring your emails, address books, and account settings can seem tedious without the right guidance. That is why in this blog, we will discuss an automated method to export SeaMonkey mail to Thunderbird, with minimal hassle.

Why Do I Migrate from SeaMonkey to Thunderbird? – Benefits

Migration from SeaMonkey to Thunderbird offers you several clear benefits, especially if you are looking for a more modern, dedicated email experience. Here are the key reasons why users often want to migrate mails from SeaMonkey to Thunderbird.

  • SeaMonkey evolves much more slowly, and email improvements are less frequent since it is a part of a larger suite.
  • Thunderbird is actively developed and maintained by the Mozilla community with regular updates, security features.
  • Thunderbird offers better security and privacy. It receives regular security updates.
  • Thunderbird has better automatic account configuration, just enter your email address and password, and it usually finds the correct settings.

Manual Method to Export SeaMonkey Mail to Thunderbird

Let’s look at the working manual working process of the migration from SeaMonkey to Thunderbird:

  1. Firstly open SeaMonkey program on your PC.
  2. Now move to Server Settings.
  3. Copy the location and paste it to the Windows Address path.
  4. Then you can import MBOX file to Thunderbird.
  5. Open Thunderbird program and go to menu section.
  6. Go to Add-ons feature.
  7. Add ImportExportTools NG add-on.
  8. Go to any folder and press right click on it.
  9. Now press on the ImportExportTools NG and select Import MBOX file option.
  10. Select file and upload to Thunderbird account.

Why Users Must Avoid The Manual Procedure of the Migration from SeaMonkey to Thunderbird?

  • Manual process is a bit lengthy if you need to import large number of files to import.
  • Also, it is a technical approach, users must acquire some skill how to operate with SeaMonkey and Thunderbird programs.
  • Add-ons may not support all Thunderbird editions.
  • Moreover, it is complex task to convert files manually, users need some technical expertise to get complete idea of the process.

SeaMonkey to Thunderbird Converter to Export SeaMonkey Mail to Thunderbird

BitData Migration MBOX Converter – It is an ultimate approach that can directly move SeaMonkey emails to Thunderbird Converter. This method facilitates users with the options of adding bulk data with Select Files and Select Folder options. And these two options lead to convert unlimited mails from SeaMonkey to Thunderbird at once. The application is able to export MBOX files from SeaMonkey without installation of SeaMonkey program. This tool makes it simple to add filters for selective migration like data range, to, from, subject, and exclude deleted item. Users can analyse the whole migration, as the tool provides log-report instantly after the migration in Notepad. Also, large-sized MBOX file is convertible with this method. This software suits with Windows and Mac Operating Systems. And trial edition of this SeaMonkey to Thunderbird Converter can migrate 25 mails from SeaMonkey to Thunderbird free of cost.

How Do I Export SeaMonkey Mail to Thunderbird? – Working Guide

Following are the basic migration working steps to migrate SeaMonkey to Thunderbird:

Step1: Open and run SeaMonkey to Thunderbird Converter.

Step2: Now click on the Click on the Add files and upload data using Select Files and Select Folder options.

Step3: Then you can get a preview the information of all selected mails.

Step4: Click on the “Export” option. Now choose Thunderbird saving option and provide required credentials like

Step5: Browse for the location for the output data.

Step6: Lastly click on the Convert button and start migrating mails from SeaMonkey to Thunderbird.

Frequently Asked Question

Can I migrate SeaMonkey mails to Thunderbird without installing SeaMonkey in the system?

Answer: Yes, SeaMonkey to Thunderbird Tool enables to migrate mails from SeaMonkey without SeaMonkey installation.

Can I launch this tool on Mac Operating Systems?

Answer: Yes, the application works on Windows (Windows 11, Windows 8, Windows 10, Windows Vista, etc.) and Mac Operating Systems – Catalina, Monterey, High-Sierra, Mojave, and many more.

Is free demo option available to know the process in advance?

Answer: Yes, users must opt for a trial, free demo edition of the software simple convert 25 mails from SeaMonkey to Thunderbird free of cost.

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Epilogue

Migrating from SeaMonkey Mail to Thunderbird is not as complicated as it seems. With just a few steps, you can transfer your email data and continue working in a more updated and actively supported environment. Whether you’re switching for better performance, modern features, or continued support, Thunderbird offers a seamless transition path. We hope this guide has helped you complete the migration smoothly. If you run into issues during the process, you can contact to our support team any time.