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Richard ~ Published: 26-May-2022 ~ Software ~ 6 Minutes Reading

How to Import PST to Thunderbird? Get Solution Here!

Finding a solution “how to import PST to Thunderbird“? If yes, then read the entire guide mentioned below and easily import bulk files without imposing any kind of limitations.

As we all know, MS Outlook is one of the most widely used email clients worldwide. Most Business organizations use this as a primary emailing service to manage their emails, notes, calendars, and events. It exports its data in the form of PST format that stores the entire mailbox items correctly in a well-managed format. Multiple situations happen when a user wants to import multiple PST files to Thunderbird without Outlook. So, this may be a difficult task for users. Don’t worry we are here, to resolve all your queries.

If we talk about Thunderbird then it is a well-known Email client that is open-source and a personal information manager that manages multiple email accounts including their emails, contacts, and other data items. Multiple reasons push users to switch to Thunderbird may be due to security features or other functionalities.

User Query

“Hello! I have a backup of a Microsoft Outlook account in PST file format. I am trying to open it but, I am unable to access emails. Right now, I am also using Thunderbird account, so thinking to import all those PST files in Thunderbird Account.
I have tried a lot importing the data but can’t find the actual solution. I am really worried about my email message. Please help me to find a suitable approach!”

Why Do Users Import PST File to Thunderbird?

In today’s modern era, numerous email applications are available in the market. Users can select any of them according to their needs. But, for several reasons, the user wants to move into Thunderbird. Here, we try to describe some reasons for importing the data.

  • Outlook is a paid emailing service while Thunderbird is an open-source and free email application.
  • It’s necessary to have some technical skills for utilizing all features of the PST file. Whereas, Thunderbird does not require any technicalities.
  • Thunderbird is an open-source desktop-based email application. It can easily work on multiple platforms like Windows, Mac, and Linux operating systems.
  • Furthermore, Thunderbird uses the .mbox file format to save data, which is supported by many email clients like Windows Live Mail, Outlook Express, Apple Mail, Entourage, emClient, etc.

Importing PST to Thunderbird – Manual Solution

In the manual solution, users need to use a Gmail account to import multiple files to Mozilla Thunderbird. Let’s understand the process:

  • Log in to your Gmail Account. Go to Settings >> Forwarding and POP/IMAP >> Enable IMAP and save the changes.
  • Then, open Microsoft Outlook. Go to File Menu >> Add Account >> Enter the Gmail login credentials.
  • Then, create a new folder. In the new folder, copy all the Outlook emails that you want to import.
  • After that, use Google Takeout Settings and import the needed data from Google Mail.
  • From the list of options, choose the Mail option. And, select labels to select the new folder that contains Outlook emails and Next.

select labels to choose pst data

  • Choose the file type, archive file size, and delivery method. Then, click on Create Archive button to import the data.

create archive for pst data to import into thunderbird

  • After that, you will get the .zip file that contains the exported data in the MBOX format.
  • Now, just import MBOX to Thunderbird using the ImportExportTools NG.

Therefore, the method is tough to use but gives you the desired results. And, still, if you are having any kind of doubt, you can continue with the next solution to save your time and effort.

Instant Solution to Import PST to Thunderbird

We recommend you use the PST File Converter developed by PCDOTS team experts. The tool is an effective solution that allows users to import files to Thunderbird without Outlook and without imposing any kind of size limitations. While importing emails, it also includes attachments and the needed data items with no loss of data.

This File converter has a flexible graphical user interface that allows both technical as well as non-technical users to operate the software. Also, it does not require any kind of extra installation as it is an independent utility and works without the need for any other technical guidance. Therefore, without wasting your time, just free download the PST to Thunderbird Converter and initiate the process.

Download Now

Steps to Import PST to Thunderbird Without Outlook

  • Run the software successfully on your Windows OS system. Click on the Open Menu and select PST files from Email Data files.

upload PST files on the Software panel

  • Upload the data and Choose the required number of emails.

Select the required PST files to convert them into Thunderbird

  • Go to Export Menu and Select Thunderbird Email Client.

import PST to Thunderbird

  • After that, enter Destination and finally get the Output results.

get the results

So, this is the complete process to import PST files to Thunderbird Account instantly in bulk within a single attempt.

Features of PST to Thunderbird Converter

Also Read: Import PST Files to Apple Mail

Simple Steps – Import Outlook PST Files to Thunderbird

  1. Run the PST to Thunderbird Converter.
  2. Upload PST files from the system.
  3. Select the required data.
  4. Go to Export >> select Thunderbird.
  5. Enter the location and save.
  6. Get the resultant message.


At last, I want to say that this above mention software is one of the best and most reliable solutions to import PST to Thunderbird. The software supports the direct importing of files without using Outlook. Moreover, users even from non-technical backgrounds can work on this Converter without the need for any kind of technical guidance. And, you can also use the Demo version of this Converter which allows you to import 10 items from each folder at once. And, once you get satisfied, you can continue with the Licensed version.