How to Import MBOX Files in Thunderbird

Few simple steps helps you to import MBOX files in Mozilla Thunderbird. Follow few setups and import *.mbox files in thunderbird easily.

First of all you need an add-on for Thunderbird. Download it from here and install it with Thunderbird application https://addons.mozilla.org/en-US/thunderbird/addon/importexporttools/

Download Freeware Thunderbird Importer Software for Windows

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If this addon is not supported by your Thunderbird version, Check Below

How to Install Addon in Thunderbird

Click on Tools and then Add-on

Then search your Add-on Name

You can also manually download addon File and import it easily by using below option

Now Click on "Add to Thunderbird" Button

Now Click on Add and then Restart

After doing this click on Tools from menu or right click on any folder and select import MBOX file option

mbox

And choose “Import directly one or more mbox files”

import

And easily choose your desired MBOX file for Thunderbird

preview

Watch How to Import MBOX files in Thunderbird Screencast

Thunderbird not supported ImportExportTools Add-on?

If you are not able to install any addon in Thunderbird new version then you will get "could not be installed because it is not compatible with Thunderbird" error message.

Thunderbird development experts provided an option to opt-out of the strict extension compatible checking enforcement. While that does not necessarily mean that extensions will work if they are not listed as compatible, chance is good that they do if they have been updated recently.