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/

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

addon

Then search your Add-on Name


search

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


manual

Now Click on "Add to Thunderbird" Button


install

Now Click on Add and then Restart


add
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?

error

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.


option

Step:1 First you need to open Thunderbird


Step:2 Click on Tools and then Option


option

Step:3 Switch to Advance Tab


Step:4 Click on the Config Editor button under General


advance

Step:5 Confirm that you will be careful.


risk

Step:6 Search for extensions.strictCompatibility.


true

Step:7 Double-click on the preference and make it false


false

Read How to Install Thunderbird


Impossibile to Import in this folder (imap or newsgroup type)

imap error

If you are getting Impossibile to Import in this folder (imap or newsgroup type) error message then select Local Folder and then import

local folder
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