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How to Convert Thunderbird to PST File? Using Best 3 Methods

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Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On January 31st, 2026
Reading Time 7 Min Read

Summary: If you are looking for a best solution for export Thunderbird to PST format, this blog page will helps you to efficiently convert Thunderbird to PST format with ease. You just need to read the entire blog and understand the process carefully.

PST is the preferred file format to import and export data in and out from Microsoft Outlook. So, if you need to access your data from Thunderbird in Outlook, you need to convert Thunderbird to PST format entirely. Thus will make it easy for you to manage Thunderbird’s data in Outlook.

Unfortunately, Thunderbird lacks the connectivity with any server while Outlook allows syncing with Exchange server and users can even work offline. Therefore, several users search for a compatible solution to convert Thunderbird to PST format while maintaining the safety of their data.

In this blog, we will discuss about the best method to complete this process while making sure that the data is in safe hands. Let us start.

Why is It Necessary to Convert Thunderbird Mailbox to PST?

  • Exporting emails to a PST format is necessary when switching from Thunderbird to Outlook to enable easy access.
  • PST provide mobility and accessibility for backup as they are compatible with a wide range of tools and systems.
  • Converting in a PST file, enables uniform administration and simpler search across all emails
  • Outlook offers better and efficient features to access data smoothly a compared to Thunderbird.
  • Exporting to PST format increases the range of possible recovery scenarios with ease.

How to Export Thunderbird to PST Format Manually?

This method consist of total three phases to complete this entire process with ease.

Phase 1: Export Thunderbird Emails to Local storage

  1. First of all, open Thunderbird on your system.
  2. Now, right-click on the desired email or folder.
  3. After this, choose the ImportExportTools NG option and select Export All Messages.
  4. Now, choose the EML format and navigate to the desired saving path.
  5. once done, click on Save button to convert Thunderbird to EML.

Phase 2: Import EML Data to Outlook

  1. Open Outlook on your system.
  2. Now, open the location with converted data and right-click on the file.
  3. After that, choose Open with and select their Outlook option.
  4. Once your file is opened in Outlook, drag and drop it in the new folder.
  5. Follow the same process for all the converter data files.

Phase 3: Export Outlook Files as PST

  1. Start Outlook, click on File option, and choose Open and Export option.
  2. Now, select Import/Export and click on Export to a File option.
  3. Further, click on Outlook Data Files (.pst).
  4. Now, browse and pick the files you want to export to PST.
  5. Choose the destination location to save the output data.
  6. Lastly, click on Finish button to complete the entire process.

Thunderbird Export to PST Using Automatic Tool

Using the best Thunderbird to PST converter one can easily convert Thunderbird to PST format. There is no doubt that there are no direct manual methods to import mailbox files from Thunderbird to PST. Whatever method we have described so far, both methods are time taking and are lengthy in which you will have to go through many phases.

Therefore, the only possible option left for the user is to use automated tools. Currently, RecoveryTools Thunderbird Migrator is one of the best solutions to perform this task flawlessly.

Exporting Thunderbird mail to PST can prove to be a difficult task for any non-technical user. Therefore, RecoveryTools always believes in providing powerful solutions that are very easy to use with the simplest interface. Any non-technical user can use this amazing Thunderbird to PST converter to convert Thunderbird to PST format without any experience.

The software is available for both Windows and Mac computers. You can use trial versions of these apps to export up to 25 emails per folder. To complete the mailbox conversion, you will need to purchase a software key.

Guide Steps for How to Export Thunderbird to PST With Screenshots

The working of this application is very easy and any user can convert MBOX to PST by using it. No Outlook installation is required for the conversion. Just follow these simple steps to accomplish this task:

  1. Firstly, download Thunderbird to PST converter and install this application on your computer.

    Thunderbird to PST converter

  2. After that, the software provides dual ways to load your Thunderbird profile data. If you have a Thunderbird profile configured in your system and want to migrate its data to the PST format, choose “Convert Configured Thunderbird Mailboxes data”.
    • You can also add files manually by clicking on the ‘Select Folder’ or ‘Select Files’ option & browse the Thunderbird folders/files.
    • You can also choose the other option to Convert the Contacts & Calendars of Thunderbird.

    provides dual ways

  3. Now, choose the required Thunderbird items or mailbox folders in the application panel.

    mailbox folders

  4. Select the “PST” option from the “Select Saving Option” drop-down list.

    saving option

  5. After that, choose the resultant location path to save the converted PST files easily.

    location path

  6. Click the “Convert” button to initialize the Thunderbird export PST process.

    Thunderbird export PST process

  7. Once the conversion process finishes successfully, access the resultant PST files from the destination folder.

    resultant PST files

Unique Features & Benefits of Professional Solutions

It is not easy for non-technical users to export Thunderbird to PST file format. To overcome this problem, users should try third-party software. The Thunderbird to PST converter provides lots of benefits such as:

  • The software allows you to convert not only the email text, but also export emails with attachments, calendars, and address books. It also supports other formats like converting Thunderbird to PDF, EML, MSG, etc.
  • The software comes with another advanced option that can easily locate your Thunderbird profile or mailbox automatically. One can select the ‘Convert Configured Thunderbird Mailboxes data’ option to auto-locate Thunderbird emails from the default location.
  • Throughout the conversion, the Thunderbird to PST converter preserves Thunderbird’s email folder hierarchy. The folder organization remains the same when converting Thunderbird to PST format.
  • Thunderbird connectivity is not necessary for the program to function throughout the converting process. It offers two manual selection methods so you may quickly choose Thunderbird mailbox files.
  • The Thunderbird to PST converter provides separate options to export contacts and calendars from Mozilla Thunderbird to the PST format. You can use this option to share Thunderbird Address Book with other applications.

Some Common Queries

  • Ques 1: Does Thunderbird support PST format directly?

    Ans: No, Thunderbird doesn’t support PST format directly, it only supports MBOX format.

  • Ques 2: Are there risks of data loss when exporting Thunderbird to PST?

    Ans: Yes, if you are using manual methods then there is a high risk of data loss.

  • Ques 3: How long does it take to convert Thunderbird emails to PST?

    Ans: Our solution takes a few minutes to complete the process, the rest depends on the data size.

  • Ques 4: Can Thunderbird emails be directly imported?

    Ans: No, there is no direct method to export Thunderbird to PST format except an alternate solution.

  • Ques 5: Can I convert multiple profiles using this tool?

    Ans: Yes, the software will help you export all emails without any issues. You can easily download this Thunderbird to PST converter and complete your task.

  • Ques 6 Does the software automatically locate Thunderbird mailboxes?

    Ans: Yes, the software provides the facility to automatically load your Thunderbird mailbox data without any issues.

Conclusion

This post tackles the external, allegedly unanswered, question: how to export Thunderbird to PST easily, accurately, and quickly. In this article we have described 3 methods to convert emails from Thunderbird to PST format, you can use any method according to your requirements.

But most experts recommend the automatic Thunderbird to PST converter because in this you get a direct solution compared to the manual solution. This makes it very easy for users to convert Thunderbird to PST format. Simply download this utility for free from above and perform unlimited migrations. For more information, contact us via live chat or email.