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Import Maildir into Thunderbird: Learn the Best Technique

Import Maildir into Thunderbird

Raj | Modified: May 13, 2022 | Thunderbird | 4 Minutes Reading

Maildir is the most common way to save emails on a server. There was a time when it was the default mechanism of Thunderbird! But now, there is not even a manual or native option to import Maildir into Thunderbird directly without putting the data at risk!

Try Emaildoctor’s professional solution to get rid of this inconvenience. This software lets you add complete Maildir data on any Thunderbird configured profile. Start reading this blog to know the complete process of importing Maildir file to Thunderbird. By the time you finish reading this, you will be fully knowledgeable about Maildir to Thunderbird migration.

Learn More about Maildir File

In case you have import Maildir into Thunderbird but you have no clue what is a Maildir file, here is some more information for you.

  • Maildir files are created in Thunderbird if users choose to save data in this format from Advanced Settings.
  • This file stores data in three different subdirectories: New, Temp, and Cur.
  • This file is faster than MBOX and is also considered more stable than it.
  • Each email is stored in a single file within Maildir directory.
  • This file type is fully secured and ensures minimum corruption.
  • Sharing Maildir files over a Network is easy as it brings compatibility issues.
  • Quickly classifies emails and puts them into proper subdirectories.

Now that you have gathered some knowledge about Maildir files, let’s move on to know the method of importing this file in Thunderbird.

How to Import Maildir into Thunderbird

As we have mentioned earlier, Thunderbird does not offer any native option to import Maildir file in it. For this reason, people used to convert Maildir file into MBOX and then migrate it into Thunderbird. But, those days of hassle are gone now. Presenting the latest version of software to add MBOX to Thunderbird directly, it can also import any size of Maildir files along with its sub-folders.

Download for Windows Download for Mac Purchase Now

Download the software now and start to import Maildir to Thunderbird it is some easy steps:

Step 1: Open and launch Thunderbird Maildir Importer.

start the thunderbird maildir import

Step 2: Click on Add File or Add Folder option. Then, add Maildir files into the software.

add maildir files via add file/folder

Step 3: After adding the files, apply the date filter if you want. Else, select the All Mails radio button to upload all the added files.

apply date filters

Step 4: Choose from the auto-loaded Thunderbird configured profiles.

select thunderbird identity

Note: To import the file into an IMAP account, you need to select Local Folder from the Identities list. After importing, you can easily move or drag and drop the imported maildir emails into your preferred IMAP configured profile.

Step 5: Click on Import to import Maildir into Thunderbird.

import the maildir files

Step 6: Start Thunderbird and you will be able to open and read Maildir data on it.

process successful

Additional Benefits of using Thunderbird Maildir Import

If you prefer to use this software over other tools that are available, you can avail some additional benefits such as:

  • This application can import all MBOX files including Google Vault and Gmail to Thunderbird.
  • Any number of EML files generated on Windows or Mac email clients can be imported with this software.
  • Allows importing EMLX file to Thunderbird account.
  • Users can choose to keep the original folder hierarchy intact while they import Maildir into Thunderbird.
  • By using the date-filter option, one may choose to import selective emails into Thunderbird.

Available Versions

The software is shareware that comes in trial and full versions. Users can download the trial version for free and run it for testing purposes. They can also purchase the full version in three different licenses as per their requirements.


Many users come up with the query about how to import Maildir into Thunderbird into technical forums. For them, we have suggested the most efficient tool in this regard. By following the full guide to running this application given in this blog, users can easily import Maildir files to Thunderbird in bulk numbers without damaging any data.

Users Also Ask

Q1. Can this software import Maildir into Thunderbird with all the subfolders located within the file?

Yes, this application is capable of importing complete data of Maildir files including all of its sub-folders.

Q2. I need to process an MBOX file long with the Maildir files into Thunderbird. Which solution do you suggest?

You should opt for the given software. This all-in-one application can import Maildir, MBOX, EML, and EMLX files.

Q3. Will there be any changes in the meta properties of Maildir emails after importing them into Thunderbird?

No, there will be no changes in the original metadata of this source file even after importation to Thunderbird.