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Written By Rohan Wiese
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Updated on August 28th, 2025
There are several situations where users need to bring their EML files into Mozilla Thunderbird. Some of the most common reasons to import EML to Thunderbird:
Because Thunderbird is free and open-source, it is one of the most preferred choices for handling EML files.
To make EML files accessible in Mozilla Thunderbird, you can use different approaches. Although it completely depends on your specific needs. Further, we will explore the given methods that allow you to import EML files into Thunderbird with ease.
If you have a few of emails, you can proceed with the free manual methods to open EML in Thunderbird. It is the simplest way if you only have a few EML files.
Note: The above-mentioned method works best for small import processes. But it can be time-consuming for bulk files.
Thunderbird users mostly prefer this method for larger imports because it provides more control.
Although the manual process works well for small import processes. But it does have some limitations that you should be aware of:
For small sets of EML files, this method is the option where you can proceed. However, if you want to import a large EML file, then many of you prefer the EML to Thunderbird Converter Tool to import EML to Thunderbird.
The Aryson EML Converter Tool is the reliable and multi-purpose solution for users to import and convert EML files. Hence, you do not have to depend on add-ons or complex manual methods. Moreover, it supports the direct import process of EML files into email clients like Thunderbird, Outlook, Gmail, Yahoo, and Office 365. Additionally, it provides multiple export options. So, you can convert EML to PST, MBOX, PDF, MSG, and HTML. With the simple and easy-to-use GUI, you can perform the import process with ease. Along with that, it supports bulk conversion and maintains folder hierarchy and attachments. In the form of this software, users get a secure and efficient way to manage EML files.





Additional Tips: As EML file is compatible with different email clients. One of them is Windows Live Mail. So, you can export Windows Live Mail to Outlook 365 smoothly.
Users can import EML files into Mozilla Thunderbird using several methods. Manual methods are drag-and-drop and the ImportExportTools NG add-on to import EML Files to Thunderbird. These approaches work for small sets of emails but often fall short when handling bulk files or maintaining attachments properly. For accuracy, Aryson EML Converter Tool provides a simple and reliable way to import EML files directly into Thunderbird. If you face any issues, you can frequently connect with us for further assistance.
Ans: Yes, you can open an EML file directly in Thunderbird with the following steps:
✅ Install and launch the Aryson EML Converter Tool.
✅ Select the required EML files by clicking Add Files/Folders.
✅ Preview the emails and choose the ones you want to import.
✅ After that, pick Thunderbird as the saving option.
✅ Hit Convert to import EML files into Thunderbird.
Ans: Yes, it is a used and trusted add-on in the Thunderbird community. Although there is no guarantee of data accuracy.
Ans: You can select and import multiple EML files with the recommended professional solution. Because it supports the batch conversion feature.
Ans: Yes, with the help of the Aryson EML Converter Tool, you can easily import attachments along with all data of EML files.
Ans: You can reinstall the add-on or update Thunderbird. If the issue continues, using the Aryson EML Converter Tool is the best solution.
About The Author:
Rohan Wiese is a Technical Writer at Aryson Technologies. He is an expert Email Forensic, Cloud Computing, and a passionate nerd with over 10 years of experience in technical content writing. He writes about Cloud Migration, Database Recovery, Email Backup, Windows, Mac, and Tech.
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