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How to Import PST Files to Thunderbird Without Outlook? Solution!

Karen Chard ~ Modified: 13-10-2022 ~ How To , Outlook ~ 5 Minutes Reading

How to import PST to Thunderbird without Outlook has become a major issue among users. The reason for this is the increasing demand for Thunderbird email applications. It has now become a very well-known platform for data storage and for the instant email function for its users. The main reason for using the Thunderbird email client is that it is a free desktop-based email client application. But Thunderbird supports MBOX format to store mailbox data.

Hello, I am using Microsoft Outlook 2010 on my old computer. On that computer, I was facing many issues. So, I bought a new Windows 10 computer. On this computer, I have installed the Thunderbird email client. I have already exported PST from the old account. But the problem is how to import PST files to Thunderbird without Outlook? Does anyone know how to import the entire data? Please help me to resolve this issue.

If you are one of those who want to import the entire data, then continue with the next section.

Professional Solution to Import PST to Thunderbird Without Outlook

RecoveryTools PST File Converter is one of the best utilities to import multiple files to Thunderbird instantly within a single attempt. Moreover, it does not need any kind of extra installation and can continue with the process without using Outlook.

In this article, we will explain the complete process to import the data. For this, you need to download the software on your Windows computer. The software provides dual selection options for uploading multiple PST files. Also, the software provides the auto-locate feature to load Outlook configured mailbox in the interface. In the following section, we will explain the complete process of this tool.

This PST to Thunderbird Converter is free to download and also supports 20+ formats including file formats and Email Services. It exports the data in them such as PST to MSG, PST to EMLX, converts PST to PDF, imports PST to Gmail, and others. Even, you can also use this tool to repair PST files according to your convenience.

How to Import PST to Thunderbird without Outlook?

  1. Run the Converter on your system.
  2. Select PST files with dual selection options.
  3. Choose required email folders from the complete list.
  4. Select Thunderbird option as the file saving option.
  5. Get the resultant exported PST files.

Steps to Import Bulk PST Files to Thunderbird Client Directly

  • Firstly, you need to run the Converter tool and read all the instructions.

  • After that, the software gives dual-mode to choose PST files/folders directly from the system.

  • Thereafter, choose the required email folders from the list.

  • After that, select the Thunderbird option in the list of file-saving options.

  • Enter the destination location where you want to store your data and choose the needed options. Click on Next button.

  • Thereafter, the process of this application is completed. Click on the Ok button.

Thunderbird Import PST Tool – Features Explained

  • The software provides a flexible GUI that can be easily used by all technical as well as non-technical users.
  • Dual options to load PST files or folders directly from the system.
  • Selective conversion of PST file done according to the user’s needs and requirements.
  • Maintains the entire data consistency by managing the hierarchy of all the files and folders.
  • Bulk import PST files to Thunderbird without losing even a single work of data.
  • Ability to view PST Files in different view modes and used in Email Forensic Investigation.
  • Supports all kinds of PST files whether they are corrupted, orphaned, or damaged.
  • Provides Recovery Mode option while uploading inaccessible files to make the transfer secure.
  • Compatible with all Windows editions such as 10, 8.1, 8, and other 32-bit and 64-bit Windows OS.

How Can Thunderbird Import PST Files Without Outlook?

  • Run the mentioned converter on your PC.
  • Select PST files with dual selection options.
  • Choose required email folders from the complete list.
  • Select Thunderbird option from the list.
  • Click on the next to import PST files.

Manual Solution to Import PST to Thunderbird

Here, we need to perform some basic things that make users easily import the data into Thunderbird. But this process is quite lengthy to use and will take a lot of your time and effort. Follow the steps:

  • Go to Gmail Account >> Settings >> Forwarding and POP/IMAP. 
  • Enable IMAP and Save Changes.
  • Login to Outlook account >> File Menu >> Add Gmail Account there.
  • Once done, create a new folder in configuring your Gmail account.
  • Then, copy all Outlook data and save them in the new folder.
  • Now, you need to go to Google Takeout and select the needed data.
  • Choose File Type, Archive Size, and delivery method from there.
  • Click on Create Export and the data will be exported in the .zip format.
  • Extract the .zip file and get the resultant MBOX file. 

Now, you just need to import MBOX files to Thunderbird, and hence you can easily import PST to Thunderbird

  • Open Thunderbird in your system.
  • Add ImportExportTools NG Add-on. 
  • Right-Click on a particular folder >> import MBOX files. 
  • Now, directly import those files to Thunderbird. 


Hope you understand the complete process to import the data. In this article, we have explained the complete process to import PST to Thunderbird without Outlook. The above-mentioned solutions are easy to use and do not require much technical knowledge. Moreover, among all other solutions present on the Internet, users can easily continue with this solution and carry out the needed results. You can also use the demo version of this PST to Thunderbird Converter to import the first 25 emails from each folder at once.

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