How to Import MBOX to Thunderbird Automatically?

Learn step-by-step instructions to import MBOX to Thunderbird. This article will provide two different methods to open MBOX file in Thunderbird application.

Thunderbird is a free open-source email client provided by Mozilla Foundation. It is a desktop-based email client that offers email, address book, calendar, tasks, and other services. It is the most widely used email application due to its advanced features and simplified user interface. Sometimes, users need to import MBOX file to Mozilla Thunderbird for various reasons. Thus, we decided to prepare this blog to accomplish this task. So, read this article completely and choose the method that best suits to your needs.

How to Import MBOX to Thunderbird?

You can transfer MBOX file to Thunderbird using ImportExportTools NG. Follow the below-given steps to upload MBOX to Thunderbird application.

1. Open the Thunderbird email client on your system.

2. Click on three horizontal lines and choose Add-Ons and Themes.

click on add-ons and themes

3. Enter ImportExportTools NG in the search bar and press Enter.

type importexporttools ng

4. Now, click on +Add to Thunderbird.

click on + add to thunderbird

5. To install ImportExportTools NG in Thunderbird, click on Add button.

click on add button

6. After that, click on the Restart Now button to restart Thunderbird.

click on restart now button

7. Now, go to Thunderbird mailbox folders and right-click on Local Folder.

8. Select ImportExportTools NG >> Import Mbox files >> Individual mbox Files.

9. Browse the MBOX file from your system and click on Open.

select MBOX file

Done! That’s how you can upload MBOX to Thunderbird but this method does not work in Thunderbird 115. In that case, you can use another way to import MBOX to Thunderbird.

How to Open MBOX File in Thunderbird?

Follow the below-given steps for transferring MBOX emails into Thunderbird.

1. Open Thunderbird application on your system.

2. Go to Dashboard and choose Import option in Import from Another Program.

choose import

3. Choose Import from a file from Import Tool and click on Continue.

import from a file

4. Select Import Backed-up Profile and press Continue button.

5. After that, select Choose a ZIP file and tap on Continue.

choose zip file

6. Browse a ZIP file that consists of MBOX files and click on Open.

7. Choose the Items according to your needs and click the Continue button.

select data items

8. After rechecking the data click on Start Import button.

click on start import

Thunderbird will start importing MBOX file.

Conclusion

This post described two different solutions to open MBOX file in Thuderbird. The complete procedure has been explained step by step. Both methods are 100% workable and enable you to import MBOX to Thunderbird.