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2 Ways to Bulk Convert Thunderbird to PST File Swiftly

  Mark Regan
Mark Regan
Published: May 6th, 2025 • 6 Min Read

Thunderbird is not meant for everyone, and thus users decide to convert Thunderbird to PST file format so that they can swiftly switch to other email clients such as Outlook, eM Client, Google Workspace, etc. However, the process to export Thunderbird to PST is not so prominent, and therefore, to guide the user on the same, we prepared this complete blog post.

It contains a legitimate manual method, an expert-approved Thunderbird to PST converter, possible reasons behind this Thunderbird to PST export, and pros/cons of the solutions to convert Thunderbird files to PST format following the mentioned methods. So, without any further ado, let’s dive in and explore the ideal way that works out for you.

Introduction to PST File Format: The PST file format stands for Personal Storage Table. It is basically used by Microsoft Outlook and contains different types of data, such as calendars, emails, notes, tasks, contacts, etc. Plus, the PST file data gets stored on the local drive or location of the user’s system, which allows them to easily access, import, or convert it.

Table of Contents Hide
  1. Objective to Convert Thunderbird to PST
  2. How to Export Thunderbird to PST File Format?
  3. Method 1: Thunderbird to PST Export Using Manual Method
  4. Method 2: Use Thunderbird to PST Converter
  5. Manual vs Pro
  6. More About Thunderbird to PST Converter
  7. Conclusion

Objective to Convert Thunderbird to PST File

  • One of the primary reasons to convert Thunderbird to PST is to switch between email service providers, such as migrate from Thunderbird to Outlook.
  • Doing this also keeps the scattered Thunderbird data in an organized and dedicated folder.
  • The process to convert Thunderbird to PST also allows the user to access the required data even in offline mode, which boosts user productivity.
  • Plus, Thunderbird is a bit complicated to understand, and thus, a lot of users are fed up with those limitations and decide to export Thunderbird to PST.
  • Last but not least, it takes a backup of Thunderbird data and saves it for long-term future use.

How to Export Thunderbird to PST File Format?

There are two (manual and automated) ways to take Thunderbird to PST export with complete ease and accuracy. However, both of them have their own traits and may not work for all types of users’ needs. Therefore, to learn about them in detail, read and follow the methods:

Method 1: Thunderbird to PST Export Using Manual Method

The conventional way to convert Thunderbird to PST has multiple phases, and the user must follow them accurately to successfully save Thunderbird to PST format. The detailed phases and their steps are mentioned below for your easy reference. Have a quick glance at them:

Phase 1: Export Thunderbird Emails to Local 

  1. Firstly, run Thunderbird on your device.
  2. Now, right-click on the desired Thunderbird email or folder.
  3. Next, choose the ImportExportTools NG option and select Export All Messages.
  4. Further, pick the EML format and navigate to the saving location. 
  5. Once done, click on Save to convert Thunderbird to EML.

Phase 2: Import EML Data to Outlook

  1. Run Outlook on your device and create a New Folder in it.
  2. Now, open the location with converted data and right-click on the file.
  3. Then, choose Open With and select the Outlook option.
  4. Once the file opens in Outlook, drag it and drop it in the new folder.
  5. Follow the same process for all the converted files.

Phase 3: Export Outlook Files as PST

  1. Now, in Outlook, click on File and choose Open and Export Option.
  2. Further, select Import/Export and click on Export to a File.
  3. After this, click on Outlook Data Files (.pst).
  4. Browse and pick the files you want for Thunderbird to PST convert.
  5. Next, choose the location to save the PST data.
  6. And, last, click on Finish to convert Thunderbird to PST file manually.

Method 2: Use Thunderbird to PST Converter

The complexity of the manual way is very evident just by looking at the steps to export Thunderbird to PST and, therefore, to make this process swift, experts always recommend getting a reliable Thunderbird Converter Software, which is tested and approved by industry experts who work with bulk email data. Thus, this Thunderbird to PST Converter is very easy to use and supports bulk action as well as all the attributes of the Thunderbird files to maintain the data’s originality. The quick and easy steps to use this automated solution are as follows:

  1. Install the Thunderbird to PST Converter tool on your device.
    thunderbird to pst converter
  2. Select the Thunderbird data using the default and manual selection modes.
    select files
  3. Once done, choose PST from the list of saving options.
    choose pst
  4. After this, navigate to the saving location and pick one.
    choose destination
  5. At last, click on the Next button to convert Thunderbird to PST format.
    convert thunderbird to pst

Manual vs Pro: Best Method to Export Thunderbird to PST

Both conventional and automated solutions for Thunderbird to PST export have their different traits to accurately, safely, and easily do the conversion. Therefore, have a look at them below to effortlessly decide the best method for you:

Manual Way Automated Way
Does not support bulk Thunderbird to PST export at once. Supports batch Thunderbird data and ensures smooth conversion. 
Has no security for Thunderbird files’ formatting and content. Gives 99.9% accurate results in terms of format, elements, body content, etc.
Consumes a lot of user time, effort, and energy to manually export Thunderbird to PST. Provides quality results with a minimum output generation time. 
Has multiple phases with various steps to successfully convert Thunderbird to PST file. Has quick, easy, and minimal steps that users from any knowledge background can follow.
Depends on other applications or email clients for Thunderbird to PST conversion. Completely independent solution that does not need the support of any third-party app, software, or plugin.

More About Thunderbird to PST Converter Tool

  • It offers a free demo version that allows the user to test its efficiency without paying a single penny in advance.
  • This advanced Thunderbird tool is not just limited to PST, as it also allows the user to convert Thunderbird to PDF, EML, MBOX, MSG, CSV, etc., or transfer Thunderbird to Office 365, Gmail, Yahoo, etc.
  • It supports all the attachments and attributes of the Thunderbird file, which ensures complete accuracy and originality of the file.
  • It has a saving destination option that allows the user to easily manage and access the converted data.
  • This tool is safe from all sorts of digital invaders, including viruses, malware, adware, etc.

Conclusion

By the end of this blog, it is very clear that depending on a professional tool to convert Thunderbird to PST is the best solution since it works efficiently without compromising data quality and content. However, the manual way risks the data’s sensitivity and originality, which, of course, none of the users want to happen. The best thing is that this Thunderbird to PST Converter also offers a demo version, which is completely free of cost and lets users explore the tool before the licensed version.