How to Import MSG Files into Thunderbird With Attachments?
Summary: Users import MSG files into Thunderbird to handle email in one place. As Thunderbird does not directly support MSG file so they must be converted into compatible format. You can use Outlook to convert MSG files into EML format or use a dedicated tool to convert multiple MSG files to Thunderbird while preserving email data.
Why Do Users Import MSG Files into Thunderbird?
- Easy Email Access: It provides the convenience of bringing MSG files into Thunderbird in order to sort all emails in one place.
- Better Organization: Most of the emails can be sorted into folders and groups, thus enhancing the management of emails and reducing complexity.
- Free and Open-Source: Using Thunderbird is free, and importing MSG files does not cost anything, and you are not required to pay for a single penny.
- Improved Features: Thunderbird has more features than any other email client; for instance, searching capabilities, filtering of emails, and other apps integration capabilities are some of the great features included in Thunderbird.
How to Convert MSG to Thunderbird Account Manually?
Below are the steps to open MSG files in Thunderbird-compatible format using Outlook.
- Right-click MSG file, choose Open with > Outlook & open email in Microsoft Outlook.
- Once the email opens, click on File menu.
- Select Save As option from the available menu.
- In the Save As dialog box, select the file type to Text Only (*.txt).
- Select the location you want on your computer and click Save.
- Search the saved TXT file, right-click it & select Rename.
- Change .txt extension with .eml and click Yes
- EML file is now ready to be imported into Thunderbird.
- Open Thunderbird & go to Tools > Add-ons and Themes.
- Search ImportExportTools NG add-on, then install it in Thunderbird.
- Select the folder you want in Thunderbird & right-click it.
- Choose ImportExportTools NG, then select Import EML Messages > Individual EML Messages.
MSG email is now present in Thunderbird.
Note: This method to import msg files into thunderbird using Outlook cannot keep original email formatting, attachments or all message details because Outlook saves email in plain text format.
Limitation of This Method
- Users need to open each MSG file in Outlook and save it as TXT file.
- Users must convert MSG files in single run, which makes process time-consuming when handling multiple emails.
- Converting MSG files to plain text can result in the loss of original formatting, fonts, colors & email layout.
- Using this method saving emails as TXT removes attachments and embedded images.
- Users need Microsoft Outlook to access MSG files and convert them to TXT.
- Importing EML files into Thunderbird needs ImportExportTools NG extension.
- TXT format does not keep email attachments or embedded images.
- For this method, Outlook must be installed on your system.
Bulk Import MSG Files into Thunderbird with Attachments
Users looking for quick solution can go for dedicated tool like MailsWare MSG Converter  you can easily convert multiple MSG files to Thunderbird account along with all the respective properties. It has a user-friendly interface by which you can easily convert MSG to Thunderbird. This software has the ability to convert MSG to Thunderbird with attachments. With this application, you just have to follow some simple steps to complete the migration.
Import MSG Files into Thunderbird: A Step-by-Step Guide
- Install and Run software on your system.
- Then open the tool and select the folder with .msg files.

- Next, the tool loads MSG folders on the left panel.
- Now click a folder to view MSG files.

- Choose Thunderbird format as the save option.

- After that, select a destination path and click “Convert.”

Top Benefits Of Using MSG To Thunderbird Converter Tool.
- Convert MSG to Thunderbird accounts directly without a supportive application.
- Import MSG messages to Thunderbird along with all the respective attachments.
- MSG to Thunderbird Converter supports non-English Unicode text messages easily.
- Also, it provides multiple file naming options to change the default name of MSG messages.
- Save the resultant output to the required destination path to easily access files.
- Use the advanced search option in order to find out the particular sent or received mail.
- Download and run this professional application on any Windows operating system.
FAQs
Q1. Can I directly Open MSG files in Thunderbird?
No, Thunderbird cannot open MSG files directly, users must convert them into EML format to import them.
Q2. How do I convert MSG file into Thunderbird manually?
You can open MSG files in Microsoft Outlook, save them as EML-compatible files, and import them into Thunderbird using the ImportExportTools NG add-on.
Q3. Can I import MSG files into Thunderbird without Outlook?
Yes, you can use a dedicated MSG to Thunderbird converter to convert msg file without using Microsoft Outlook.
Q4. Will importing MSG files into Thunderbird preserve attachments?
Yes, the manual method of saving MSG files as TXT may not preserve attachments or embedded images. However, a professional MSG to Thunderbird conversion tool can keep attachments and other email properties in their original form.
Conclusion
Importing MSG emails into Thunderbird may convert them into a compatible format. The manual method using Outlook and EML files can work comes with certain limitation, formatting & other email details whereas dedicated tool can simplify the entire task to import msg files into thunderbird while preserving all your email properties and attachments. Hence, select method based on the number of MSG files and the need to preserve email data during the migration.
