Step-by-Step Guide Save Thunderbird Email as MBOX

Written by Anuraag Singh ~ March 2nd, 2022 ~ Blog

Whenever a user tries to export emails from Thunderbird to the local machine, by default it is saved as EML file. However, most of the time users want to save Thunderbird email as MBOX file because it is supported by various other email application such as Eudora Mail, Netscape Mail, Entourage, etc. Here, we will describe a free method that uses the Thunderbird add-on ImportExportTools NG.

So, let us start.

Free Method to Save Thunderbird Email as MBOX File

To export Thunderbird emails to MBOX format, the user can use an add-one utility i.e. ImportExportTools NG by Mozilla Thunderbird. Now, to save the email as MBOX, follow the steps mentioned below:

Download and Install ImportExportTools Add-on

To download and install ImportExportTools add-on in Thunderbird, follow the steps mentioned below:

1: First of all, a user needs to visit the website mentioned below:

2: Then, click on Download Now>> Save file >> OK button

3: Start Mozilla Thunderbird application on your local machine

4: Navigate to Tools>> Addons >> Extensions and click on Gear Icon

5: Select the Install add-on from file option and Browse the location where you have save the downloaded .xpi file and click on Open button

6: When the installation finish, click on Install Now button and exit Thunderbird

7: To confirm, start the Thunderbird again and check Tools >> ImportExportTools >> import mbox file command.

Save Thunderbird email as MBOX file format

Now, to export Thunderbird mail as MBOX format, follow the step-wise instructions mentioned below:

  1. Open Mozilla Thunderbird application on your system
  2. Now, select the message(s) that you want to save as MBOX file
  3. After that, right-click on the selected messages and select the Save selected message option

If you want to save Thunderbird emails in file formats other than MBOX, then you can opt for the Thunderbird converter wizard. It provides six different export formats.