How to Transfer EML Files to Thunderbird Manually?

EML file refers to various email formats and is used to represent a single digital email message. The file extension for an email message is saved in the Internet message format protocol for electronic mail messages. Email applications such as Microsoft Outlook, Apple Mail, Mozilla Thunderbird, etc. support .eml file format. Eml files help to store one or more email attachments. You can transfer the EML file to Thunderbird, as it is a free-to-use application and supports EML files. This can be used by many of the users to open their EML files. This email client supports both the Windows Operating system and Mac. 

Reason to Transfer EML Files to Thunderbird

Thunderbird provides various reasons due to which you can transfer your EML files to Thunderbird.

  • Free Open Source

Thunderbird is a free and open-source email application platform. It helps to change, use, and update the software and share the code among the user. Using this feature, you can import EML files to Thunderbird.

  • Message Management

It helps to search quickly and also provides an advanced message filter. It also provides a message grouping feature.

Methods to Import EML Files to Thunderbird

  • Drag and Drop to Import EML to Mozilla Thunderbird

You should first export your EML files from the previous email client that you were using. This will help you from loss of data in the future. After this, you can transfer EML files to Thunderbird.

  • First, you have to open the Mozilla mail client.

  • After that, choose the folder in the Thunderbird where you want to import the EML files.

  • You can choose the Inbox folder and then, right-click on it.

  • Now, click on the New folder option.


  • After that, you have to give a name to a new folder and then click on the Create table button.


  • Now, go to the folder and select the EML files that you want to import in Thunderbird.

  • Here, you can select a File or Group of files and Drag them to the newly created subfolder in Thunderbird. 

  • At last, all the messages will be saved in the newly created folder in Mozilla Thunderbird.

  • Use Import/ Export Tool Add-in to Import EML File to Thunderbird

You can download the Import/Export Add-in tool from the website. After that, you have to follow the below-mentioned procedures.

  • First, you have to run the Mozilla Thunderbird application.

  • Now, click on Tool Tab.


  • You can select the Add-on options from the tool menu and Install them.


  • After, completion of the installation process Import/Export tool will be added to the Thunderbird.

  • You can now Restart the Thunderbird application.

  • Now, open the application and then right-click on the Inbox folder.


  • After that, you can select a new folder.

  • Select and open the newly created button. Click on the Menu button.

  • After going to the tool menu option, select the Import/Export tool, and then select the Import option.

  • Select the EML file that you want to move in the Thunderbird.

  • At last, click Open, and then your EML file will be opened in the Thunderbird folder. 

There are some limitations of the above methods while Importing EML files to Thunderbird. Now, you can refer to some of the limitations mentioned below. And if you want to know more manual solution then Read here.

Limitation for the above method

  • It cannot proceed with multiple EML files at a time.

  • There is a high risk as the file can be lost and these are not safe.

  • A lot of time is taken to upload the EML files in Thunderbird.

To overcome the above limitations, I will refer you to opt a third-party solution as it helps you to add multiple files and folders before conversion.

EML to PST Converter Free Online 

EML converter helps you to transfer EML files Thunderbird and other various formats such as PST, PDF, EMLX, MSG, etc. EML converter freeware helps you to convert bulk conversion of the EML files. Using this tool, you can export the EML messages to Gmail, Yahoo, Outlook, etc.


If you want to transfer EML files to thunderbird, you can refer to the manual methods which I have discussed above. I have discussed Drag and Drop and Import/Export Tool Add-in methods to transfer EML files. These methods are having some limitations. To overcome these limitations, I have mentioned an export solution ie. EML to PST converter free online. 

Thanks for Reading the Blog, I Hope You Got a Solution to Transfer EML Files to Thunderbird. Feel Free to Reach Us for Related Queries.


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