How to Migrate eM Client to Thunderbird Account?
Do you want to know how to migrate eM Client to Thunderbird? If yes, then you have come to the right blog. As a member of team experienced in email data management and migration processes, I’ll guide you through the most reliable method to transfer eM Client mailbox to Thunderbird safely.
User Query Real Case Scenario
Hello, I purchased a new laptop recently. I have the latest version Thunderbird 91.0, and my old laptop had eM Client. Now I want to migrate eM Client to Thunderbird. I tried the manual method, but it was very lengthy. Please share a reliable solution because I don’t want to risk my important data.
—Robert
Comparison Between eM Client and Thunderbird
- eM Client works on Windows and macOS, whereas Thunderbird also supports Linux.
- Thunderbird supports a large number of add-ons, while eM Client offers limited extension capabilities.
- eM Client includes built-in Calendar, Contacts, and Task Manager, but Thunderbird becomes more powerful through add-ons.
- Thunderbird is completely free, while eM Client offers only a 30-day free trial for premium features.
- eM Client provides several productivity features, but Thunderbird’s add-on ecosystem gives users better customization and long-term flexibility.
Way to Convert eM Client Emails to Thunderbird
While a manual method exists, it often results in issues like missing attachments, broken folder structure, or formatting changes. Therefore, we recommend using a professional solution such as 4n6 eM Client Converter, which ensures a secure and accurate migration process.
This software is widely used by IT technicians and digital forensic experts for reliable and safe mailbox conversion.
We first recommend that you download and use the free demo version of our software to test its working and features. Once you are satisfied with the results, upgrade to the licensed version.
Step-by-Step Guide: Migrate eM Client to Thunderbird
- Firstly, download the eM Client to Thunderbird Converter Software and click the open button.

- Select the “Open eM Client Configured Accounts”.

- Click the emails to preview in all modes such as Hex view, Messages Header, Content preview and Raw messages.
- Click the Export option and select the MBOX.
- Enter the destination path details and hit the Save button.
Feature of this eM Client to Thunderbird Tool
- The software interface is simple and user-friendly, suitable for both beginners and professionals.
- It allows importing emails along with calendars, tasks, attachments, and other essential data.
- You can preview eM Client emails in four different modes for verification.
- Supports bulk migration of eM Client emails into multiple file formats and destinations.
- Offers advanced options like Quick Search, Filters, Keyword Search, and selective folder migration.
Frequently Asked Questions (FAQs)
Q: Will the eM Client to Thunderbird converter install on Windows 11?
Yes, this software supports all versions of Windows.
Q: Does this software convert files to other formats besides Thunderbird?
Yes, it supports multiple output formats such as PST, MBOX, EML, PDF, and more.
Q: Can this tool migrate eM Client emails to Thunderbird version 91.0?
Yes, it supports the latest Thunderbird versions.
Q: Can I convert eM Client emails without exporting them manually?
No, you must first extract eM Client mailbox data (EML/EMDF) before converting.
Q: Is there any risk of data loss while migrating emails from eM Client to Thunderbird using 4n6 software?
No, 4n6 eM Client to Thunderbird Tool is designed to maintain data integrity and prevents issues like missing emails, attachments, and more.
Q: Do I need eM Client application installed on my system to perform such migration?
No, the software supports migration even without having eM Client application installed.
Q: Can I transfer only selected folders from eM Client to Thunderbird?
Yes, it is possible to migrate selected eM Client folders to Thunderbird.
Q: Does the software support migrating large eM Client mailboxes?
Yes, it supports to migrate large eM Client mailboxes to Thunderbird in bulk.
Conclusion
We have explained the most reliable way to migrate eM Client to Thunderbird. The recommended 4n6 eM Client to Thunderbird Converter provides a safe, reliable, and accurate results without requiring configurations. Anyone using a Windows system can easily perform this migration without facing any issues.



