4 Methods to backup Mozilla Thunderbird emails

Siddharth Shukla
Siddharth Shukla

Published On - June 10, 2024

Summary: Mozilla Thunderbird email backup enhances performance and secures the organization’s essential data. If you want a backup, then this article will efficiently cover all scenarios of the backup process. It also recommends professional Recoveryfix for MBOX to PST Converter software, ensuring the backup of Thunderbird emails on the hard drive is efficient.

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Mozilla Thunderbird is a free and open-source email client that many professionals and individuals use to send or receive emails to transfer essential data. Thunderbird is easy to set up and customize. Nowadays, data security has become a necessity in changing technology day by day. So, data theft, data integrity, and information loss have become a significant concern among users.

It becomes very advantageous when the user knows to back up the data of the Thunderbird email client to the external hard drive. It is quite important to back up Thunderbird email client’s emails and save the information on the system’s hard drive to prevent data loss in the future. In this blog, we will go through the various reasons and methods to back up the Thunderbird email client on the hard drive.

Reasons for backup of Mozilla Thunderbird emails to hard drive

Data backup plays a significant role in ensuring data safety and integrity for the organization’s purposes. Generally, there could be various reasons for the backup of Thunderbird email. Some of these are:

  • Backup upgrades performance by deleting the old bulky emails.
  • Ensures continuous business by eliminating the risk of local server interruptions.
  • Prevents data loss.
  • Makes data migration easier.

After seeing the advantages of saving Thunderbird email on a hard drive, let’s move towards backup methods.

Methods to backup Thunderbird emails on the external hard drive

This section consists of different manual methods that help to save emails on a local hard drive easily. If you want to back up the emails, use the below methods.

Method 1. Using save as an option to backup Thunderbird emails to a hard drive

This method is simple and easy to save Thunderbird emails on the hard drive. Follow the steps below:

  1. Start the Thunderbird email client and click on the desired folder, which stores the items you want to back up.
  2. Now, select the emails you want to backup, right-click on the mouse, and tap on Save as from the options.Save emails you want to take backup
  3. Select the desired folder location in File Explorer and click on Save.

This method will save your emails in EML files separately. Now, you can open these email files in any email client.

Method 2. Backup Thunderbird emails using Add-ons in MBOX format

This method will save the whole email folder in MBOX file format, which can be accessed by different email clients later. To create a backup of Thunderbird email in MBOX file format, follow the steps below:

  1. Launch Thunderbird, add the ImportExportTools NG add-on and restart the application.Add ImportExportTools NG add-on in Thunderbird
  2. Right-click on the email folder you wish to backup.
  3. Choose ImportExportTools NG and tap the Folder Export (MBOX).Choose ImportExportTools NG and click on Folder Export
  4. Click on as MBOX file and pick the desired location, then tap the Select folder option.

The mailbox folder will be saved on an external hard drive with an MBOX file extension.

Method 3. Thunderbird profile backup

If you want to use Thunderbird profile backup in the future, you’ll need to import the file saved using this method. This method can save the whole profile or the desired folder. Follow the below steps to backup the Thunderbird profile:

  1. Start Thunderbird and click on three horizontal lines.
  2. Under the Help menu, choose Troubleshooting Information.Choose Troubleshooting Information
  3. Navigate to the Open Folder from the Applications Basics section. It will launch the profile directory.Launch profile directory from Applications Basics section
  4. Copy the required folder from the opened file explore window and paste it to another desired location.

If any of these methods don’t work and you want a reliable backup, then using a professional tool is the better solution.

Method 4. Use an automated tool to backup Thunderbird emails

Sometimes, manual methods become complex and disadvantageous due to their limitations. To overcome the limitations of manual techniques, Recoveryfix for MBOX to PST Converter software should be used to convert the MBOX files into PST, EML, and MSG files without data loss. This software, MBOX, migrates data to over 20 email clients, including Apple Mail, Thunderbird, Zoho Mail, Eudora, etc.

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Additional features:

  • Migrate single and multiple MBOX files to PST files.
  • Execute selective data conversion from the MBOX file to the desired format.
  • Preview of selected MBOX files.
  • Splits large PST files.


Data security is a fundamental requirement of every organization, and we have discussed different manual methods for backing up Thunderbird emails on the hard drive. PST file is the only option if you want a secure backup to access the file in any email client application. So, try Recoveryfix for MBOX to PST Converter software to retrieve all data of MBOX files into PST files with 100% integrity.

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