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How to Convert Thunderbird to Maildir with all Attachments?

Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On June 3rd, 2022
Reading Time 5 Min Read

Are you also looking for a solution to convert Thunderbird to Maildir server? If yes then you are landing on the right page.

Here we will show you the best and most reliable solution to convert Thunderbird mailbox to Maildir.

“Hello there, Currently, I’m looking for a way to transfer my Mozilla Thunderbird data to Maildir to do some professional business tasks faster. However, I am perplexed as to how I may convert Thunderbird to Maildir server. So, Could you kindly recommend a technique for me?”

These kinds of problems users face, that’s why users want to Thunderbird convert local folders to Maildir. But before the start, the conversion to convert Thunderbird to Maildir server, have a look at both email clients.

Mozilla Thunderbird

Approximately 20 million people around the world use Mozilla Thunderbird, an open and free cross-platform email application offered in 56 languages and offered in a multitude of configurations. Thunderbird is an email client created by the Mozilla Foundation, that is also responsible for the Firefox web browser and other products.

Maildir Server

Maildir server is a message-only email format. More ordered and methodical mailbox data storage. Created by Qmail and utilized by numerous apps including Mozilla Thunderbird. Each receiving email gets its file with its name.

Maildir++, an extension to Maildir, supports mail quotas and sub-folders. Sub-directories in Maildir++ files begin with “.” (e.g., “. Inbox “, “. Drafts ” etc.). Maildir++ files are identical to Maildir files.

Advantages of Using Maildir Server

  • This file format is secure, and there are very few chances of a file becoming corrupted.
  • It is simple to transfer data from one platform to another.
  • Excellent message filtering based on the folders in which they are stored.
  • By their qualities, all of the messages are saved into the appropriate subfolders.
  • Using a structured format, any type of cybercrime may be identified and investigated more quickly and effectively.
  • Email search, retrieval, and deletion are all performed in real-time.

How to Change Thunderbird Data to Maildir?

Here we will show you the software, which is most preferred and downloaded by users. RecoveryTools Mozilla Thunderbird Migrator software tool to convert Thunderbird to Maildir server. This software comes with reliable features. Such as bulk conversion, selected migration, and other features. These kinds of amazing features are mentioned below:

Download for Windows Download for Mac

Advance features of OLM to Maildir converter

  • The Thunderbird to Maildir Migrator can convert multiple data at a time without any hassle to convert Thunderbird to Maildir.
  • Also, this tool can load the data directly from the Thunderbird profile, and also users can choose the Thunderbird data manually.
  • Easily convert Thunderbird emails, including their header data (to, cc, bcc), subject, and other information.
  • Holds the hierarchy of folders in Thunderbird and local directories.
  • You may easily move Thunderbird emails from orphaned and corrupted data files without the need to install an email client.
  • Also, the converted Maildir file is compatible with all servers like Dovecot, SendMail, Exim, Postfix, Qmail, etc.

How Does the Mozilla Thunderbird to Maildir Converter Works?

  1. Firstly, Install and run the software on your pc to convert Thunderbird to Maildir server.

    Install and run the software

  2. And then software automatically loads the data directly from the Thunderbird account or users can upload it manually.

    automatically loads the data

  3. Now all the data will show on the screen and check and enable the data that you want to export.

    all the data will show

  4. And then click on the “Select Saving Option” and select the “Maildir” option from the drop-down.

     select saving option

  5. and then browse the saving location to save the converted file.

    browse the saving location

  6. Lastly, click on the Convert icon to start the procedure.

    click on the convert icon

As you can see, it is quite straightforward to convert Thunderbird to Maildir. With this software, you may easily and rapidly convert Thunderbird to Maildir. However, if you have any reservations, this software includes a trial edition of the software. To install the free version of Mozilla Thunderbird to Maildir Migrator, simply click on the “download” icon in the toolbar.

Frequently Asked Questions

  • Can I convert the data of the Thunderbird 60.0 version to Convert Thunderbird to Maildir?

    Yes, this software is compatible with all versions of Thunderbird.

  • I want to convert some orphan Thunderbird files, so can I do this with this software?

    Yes, this software provides you dual options to load the orphan Thunderbird files by “select files” and “select folder”.

  • I want to migrate all data from Thunderbird profile like attachments, contacts, calendar, and other things?

    yes, this software can easily export your Thunderbird contacts as CSV or vCard file format, and Thunderbird profile data into ICS file format with all attachments.


Finally, as you can see in the preceding section, we covered every stage to convert Thunderbird to Maildir server. In addition, we discussed both the email clients and the reasons for sending emails that were described above. Also in this write-up, we discussed a solution that can be used to transform the Thunderbird profile data quickly and efficiently. I hope you enjoyed reading the post.