How to Convert Thunderbird Emails to Word in Bulk?

Rollins Duke
Published: September 25th, 2025 • 9 Min Read

Overview: Read this blog to understand how we can convert Thunderbird to a Word document. This blog covers various methods as well as reasons to convert your data into Word format. If you are utilizing Thunderbird as your essential email client for any period of time, you need to effectively manage it in terms of taking backups of Thunderbird emails. The blog also covers the most efficient solution can convert Thunderbird data into a Word document, especially if the data is large in size.

DOC or DOCX format is the most handy solution if you intend to edit the content of a Thunderbird email file or share the same with other people for review purposes. If you decide to export emails from Thunderbird to DOC or DOCX format, so as to save the old email messages in a Word file. Then, you will have the benefit of maintaining the actual text formatting while being able to open them practically on any system.

Reasons to Convert Thunderbird Emails to Word Document

Editing and formatting: Switching to Word can let you modify text. Some users want to modify that email text and share it among their teams for a better understanding.
Offline Access: Once files are converted, the data can be stored on the system for accessing the file in an offline environment. This can be useful for making the file more accessible and versatile.
Backup and archive: Users who want to archive and back up their data can use the MS Word format, as this not only works in an offline environment but also provides users with a text-editable format for future use.
Better searchability: Converting files in Word format lets user search their data better in their long emails, as Word has better search control.

How to Convert Thunderbird to Word Manually?

To be able to Thunderbird into a Word document, there are precisely two ways a user can follow. These methods involve converting files in HTML or EML format. These methods work if the user has a few files to convert. Converting a large number of files can be quite time-consuming and effort-intensive.

#1:How to Convert Using HTML format

Open Thunderbird and select the email you want to convert
Right-click on the selected email and click “Save As”.
From the browsing window, select the destination and change the name to “filename.html”.
Click on save, and your file will save as an .html file.
Open the file in a browser and press “Ctrl+A” to select all
Then, copy the content using “Ctrl+C”.
Open Microsoft Word, paste your data by pressing “ctrl+v” the data will be saved.
Then, export is using “Ctrl+shift+S” to save data in a “Word document” or “.docx” format.

#2: How to Convert Using EML format.

Open Thunderbird.
Select a single email or select multiple by “swift+ click” to range select or “ctrl+click” for discontinuous click
Right-click on the selected email and click “Save As”.
Select the folder to select the destination from the browsing window.
Your files will be saved in .eml format.
Right-click on a single file and choose “Open With” and select Microsoft Word.
After that, you can save a single .eml file using “Ctrl+Shift+S” to save the file in “Word document” or “Docs” format.

Note: “Open With” option will only work for a single file. Which means you can only convert a single file at a time.

Drawbacks of Using Manual Approach

No bulk migration: there is no solution to convert a large quantity of data in one go. This means you have to repeat the process several times to be able to convert all your files.
Time-consuming process: The process is very time-consuming as it has 3 different processes within it. Firstly, you have to export data from Thunderbird in HTML or EML format, it have to copy that data into a Word file, and then that file will be exported in docs. This makes the process time-consuming.
Requires technical knowledge: The process requires a fair amount of technical expertise to perform, which makes this procedure not suited for everyone. Any error in understanding any step can cause a huge risk, like data loss or misplacement of files.
No attachment handling: This process will not include attachments. Therefore, it requires saving the attached files separately. This happens because there is no support to embed attachment files. This can cause risks if the data is not managed well.

Export Emails from Thunderbird to DOC – Get New Files in Seconds

Download the Thunderbird Converter in order to convert Thunderbird emails to DOC files in bulk. This application is specifically designed to deal with Thunderbird messages in batches. Hence, no matter whether you are processing a single file or hundreds of files, this tool can easily handle the task of exporting Thunderbird to DOC.

Please download the free version of the software from this link:

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Professional solution to Convert Emails from Thunderbird to DOC, DOCX Format

This section explains the proper step-by-step method to export Thunderbird data to Word file.

First of all, download and install the Thunderbird to Word converter on your Windows or Mac machine.
Next, enable the first option that is “Convert Emails”, to convert the configured Thunderbird mailboxes’ data to Word. Otherwise, you can also manually load data with the Select Folder… and Select Files… options. In this manner, you can easily and swiftly select the Thunderbird profiles folder or Thunderbird files.
After this, choose the Thunderbird folders and tap on the ‘Select Folder’ button.
Thereafter, preview the path of the specified files and hit on the Next button.
Then, the software displays all Thunderbird folders and subfolders before conversion. So, here enable those emails which you want to export into word.
After this, choose your saving option as DOC.
Also, browse a specific location for saving the Thunderbird emails to word converted data.
Now, select any file naming option from the tool to save the output in a systematic way.
Lastly, click on the Convert button. This will start the process to convert Thunderbird emails to DOC.

In a few seconds, you will see that all your files from Thunderbird are converted into a word file. That’s it!

Paramount Features of Tool to Migrate Thunderbird Emails to DOCX

Automatically Load Mailboxes: This software automatically finds the path of the configured Mozilla Thunderbird profile from its default location. So, this helps to convert Thunderbird emails to Word with ease.

Manually Import Data: Other than automatically selecting data, users can also manually load Thunderbird files or folders. This feature enables you to choose multiple Thunderbird emails at once. So, users can bulk export Thunderbird to DOC files.

Convert Emails with Attachments: Not only emails, this utility is proficient in handling attachments as well. It has the ability to export emails from Thunderbird to DOC with attachments.

Export Selective Files: After choosing the emails for conversion, one can selectively prepare a list of data for the task. The tool loads all emails in the folder and subfolder categories under which you can specify the required emails and leave the unwanted ones.

Preserves Original Formatting: During the process to convert Thunderbird emails to Word, this software maintains the original formatting. It keeps intact the text formatting, inline images, hyperlinks, email components, etc.

Standalone Application: The Thunderbird to Word tool is an independent application. It does not necessarily require the installation of Mozilla Thunderbird for converting Thunderbird emails to DOCX.

Windows and Mac Compatibility: The Thunderbird emails to Word tool supports all the latest editions of Microsoft Windows OS and Mac OS. One can install the product on Windows 10, 8.1, 8, 7, Vista, XP, Windows Server 2019, 2016, etc. Also, it is easy to launch the tool on Mac 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, OS X 10.11 El Capitan, 10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, etc.

Frequently Asked Questions

Ques 1: How can I convert Thunderbird to doc files for viewing Thunderbird messages in the latest version of Microsoft Office?

Ans: The tool is equipped with advanced data conversion that ensures that the converted version of DOCX will work in the latest version of Microsoft 365.

Ques 2: How can we convert a mix of Thunderbird files to Word?

Ans: To convert Thunderbird Emails to Word in Bulk, the Thunderbird to DOCX Converter solution has an advanced filtering option that helps to select only Thunderbird files to convert.

Ques 3: Is it possible to convert Thunderbird files to Word files in bulk?

Ans: Thunderbird to Word converter provides an option to transfer Thunderbird in bulk quantity, just enter. You just require the data stored and import it into the tool to start the conversion process.

Ques 4: What’s the best way to convert Thunderbird files to Word without Thunderbird software?

Ans: Thunderbird to Word converter requires no Thunderbird email client or any other 3rd party software or plugin to install to convert data. It only requires data storage.

Final thoughts

In this write-up, we have explained the complete description regarding the export of Thunderbird email messages to DOC, DOCX file. The software recommended in this post is free from any bugs or errors. Any non-technical background person or a business (commercial) user can take the help of this application to convert Thunderbird emails to word file. The solution is easy to understand as the interface of this tool is self-descriptive. If there any queries regarding the utility, please feel free to contact our support team.