How to Export Thunderbird to EML Files with Attachments?

In this write-up, you will get one of the best and most direct methods to export Thunderbird to EML format in bulk. Here we have discussed both manual and professional methods to convert Thunderbird emails to EML format without any issues. Read the complete blog, to know complete information and step-by-step guide to export Thunderbird emails to EML format.

If we talk about Thunderbird which is a free and open-source email application for managing email, news feeds, chats, and newsgroups. It is a cross-platform email client that is widely used by Windows, Linux, and Mac OS users to manage their data. It also provides various add-on functions to customize your email services.

Whereas, an EML file is one of the most popular file formats developed by Microsoft Outlook and Outlook Express. Many major email clients such as Apple Mail, Thunderbird, Windows Live Mail, etc. support this file format. Users may occasionally need to export Thunderbird to EML as a backup copy or to transfer it into another email client.

How do I save emails as EML in Thunderbird? There are various ways to export Thunderbird messages to EML file format. You can drag and drop an email from Mozilla Thunderbird. Also, it offers an Ad Ons plugin facility by which you can install third-party tools to convert Thunderbird email.

In the below segment, we have shared 3 different ways by which you can export Thunderbird to EML files format along with attachments. 

How to Save Thunderbird Email as EML via Drag & Drop Method?

Follow the below-given instructions to export Thunderbird messages to EML file;

  1. Open the Mozilla Thunderbird email client.
  2. Right-click on that particular message.
  3. Then, choose Save as from the options list.
  4. A window tab will pop up on your screen in which you have to choose where you want to save it as a folder.
  5. Your emails will be saved in your EML file format.

How to Export Thunderbird to EML With ImportExport NG Plugin?

Mozilla Thunderbird allows users to add the ImportExport NG plugin that can be used to save Thunderbird emails as EML file format. You can simply add the add-on from the settings. After downloading it, follow the simple steps:

  1. Open the Mozilla Thunderbird application.
  2. Click on the Tools and then click on Add-ons to add.
  3. In the Add-ons manager window screen, select ImportExportTools under featured add-ons.
  4. Click on Add to Thunderbird to add the ImportExport Tools NG add-on.
  5. Click > Add when prompted to ‘Add ImportExportTools NG.
  6. Click on the “Restart now” button.
  7. In Thunderbird Application, Right-click on the folder or a particular message that you want to export.
  8. Click ImportExportTools NG >> Export all messages in the folder >> EML format.
  9. Choose the folder where you want to save your exported EML files and then choose Select Folder.
  10. Open the exported folder from where you save it.
  11. Right-click the messages folder and select the Path to open a message in your selected application.

With manual methods, users can face several challenges which are mentioned below:

  • You can export only one email at a time with drag & drop.
  • The hierarchy of folders also can change.
  • ImportExport NG plugin tools add-on is capable of exporting one folder to EML format at a time. Using this tool, exporting all mail is a time-consuming process.

How to Convert Thunderbird to EML Files in Bulk?

To overcome the challenges you faced in the manual solution try the most effective and easiest approach i.e. Advik Thunderbird Converter. This software is powerful enough to export multiple Thunderbird emails to EML files in bulk without losing attachments. Also, it automatically fetches the configured Thunderbird profile from your system. From there you can choose the required email folders to save into EML format. Also, it maintains the folder hierarchy of Thunderbird emails without modifying the original content.

Moreover, you can select Thunderbird emails based on various email filters such as specific date ranges, To, from, Cc, Bcc, etc. Also, this easy-to-use tool can be used by technical and non-technical users.

Just ta on the below FREE download button and analyze the whole working process.

Steps to Export Thunderbird messages to EML with Attachments

  1. Run the suggested software on your Windows the automated solution
  2. Select your Thunderbird profile and click on Thunderbird profile
  3. Choose the email folders that you want to export and press Next.choose email folders
  4. Select EML as a saving option.               select EML as saving option
  5. You can also apply File Naming thunderbird emails as eml with different file naming options
  6. Browse the target location to save the resultant file and hit on Next next to export thunderbird to EML files

The software will start exporting Thunderbird emails. There are dozens of benefits of this tool which are given below;

  • This software efficiently converts all Thunderbird emails to EML file format at once.
  • It offers various saving options to export Thunderbird to PST, MBOX, DOC, etc.
  • It preserves 100% data integrity and saves Thunderbird emails with attachments.
  • The tool can directly import Thunderbird to Gmail, Office 365, and many more email accounts.
  • It provides various advanced filters to export only selected Thunderbird messages to EML.
  • The simple graphical user interface is helpful to complete the process without facing any issues.
  • A free version is available which allows you to export 25 emails per folder for free.


Till now, we have discussed three different ways to export Thunderbird to EML file format. All methods can easily convert Thunderbird messages to EML format. You can choose any method that suits best your needs and requirements.