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Convert Thunderbird to PST With Secure & Reliable Methods


  • Published on:  March 29th, 2022

If you are looking for a secure and reliable solution to Convert Thunderbird to PST for Outlook 2019, 2016, 2013, and below versions? Then, you are at the right place. Here you will learn the manual and quick approach to export emails from Thunderbird to Outlook.

Nowadays, most people want to switch from MBOX email clients to Microsoft Outlook. The Thunderbird email client has a complicated interface as compared to Microsoft Outlook. As Microsoft Outlook is the favorite email client of many organizations. It provides a variety of features, and it is the most popular email client in the organizations workplace.

In terms of security, Outlook is the best email client that provides anti-spam, anti-virus, and password protection functionalities. But before going on to the further discussion, first we will discuss some major reasons to convert Thunderbird to Outlook PST.

Why Do You Need to Move Thunderbird Emails into Outlook?

There are various reasons to convert Thunderbird to PST. We will elaborate some of them in the section below.

  • Outlook allows its users to work offline or without internet connectivity.
  • Thunderbird lacked enterprise-level features and quality customer support.
  • Outlook provides tasks and scheduling features, but Thunderbird does not have these features.
  • Thunderbird email client does not have a grouping contacts and calendar integration, unlike Outlook PST.
  • Outlook is available with a user-friendly interface, but Thunderbird has a complicated interface.

These are some reasons to export MBOX files to PST format. Now, we will discuss the methods to convert Thunderbird mail to Outlook. Sometimes, users need to use the MBOX file data as evidence then you convert MBOX to PDF file format.

Manual Approach to Convert Thunderbird to PST

The manual method has a lengthy procedure to Transfer Emails from Thunderbird to Outlook. We will divide this process into four parts, and we will discuss them in the below section one by one.

Part 1: Enable the IMAP Option From Gmail Settings

  • Open your Gmail account, then click on the Gear icon >> Settings.
  • Then, Go to the Forwarding and POP/IMAP option, and tap on the Enable IMAP option.
  • After that, click on Save Changes button.

Part 2: Configure Email Account With Mozilla Thunderbird

  • Firstly, open the Thunderbird application.
  • Then, Go to the Tools >> Account Settings, and choose Account Actions >> Add a Mail account.
  • After that, fill out the required fields like name, email address, and password.
  • Then, click on Continue, choose IMAP and hit the Done button.
  • Finally, click on the mailbox folder to access your new email account from the Thunderbird interface.

Part 3: Use Drag & Drop Option

It is a very crucial step to convert Thunderbird to PST. You need to migrate from Thunderbird to PST into the Gmail inbox and use the drag and drop messages into the Gmail folder.

Part 4: Configure the Same Email With Microsoft Outlook

To export Thunderbird emails to Outlook PST files, you need to access your Thunderbird data through the same email account in MS Outlook. For this, you have to follow the below-mentioned steps.

  • Firstly, open Outlook, and go to the File >> Add Account >> Manual Setup >> Next.
  • Then, select the POP or IMAP, and tap on the Next button.
  • After that, enter the details in the required field like name, email address, incoming mail server, outgoing mail server, username, and password.
  • Tap on the Advanced Settings, and choose the Outgoing Server tab.
  • Now, set the port numbers as 993/995 and 465/587.
  • Then, click on the Ok button and Test Settings.
  • After verifying the details, hit the Next button.

Here you can see all your emails in Outlook and easily convert Thunderbird to PST with the manual procedure. But, this approach has some limitations that we will discuss ahead of the article.

Drawbacks of Manual Method to Transfer Emails from Thunderbird to Outlook

If you choose the traditional approach to export emails from Thunderbird to Outlook, then you will face some drawbacks.

  • The above process is a highly time-consuming method.
  • It required high connectivity of data connection.
  • Wrong execution of the step leads to data loss.
  • Users need technical knowledge to perform the process.

These are some limitations of the manual approach, but we will provide an alternate solution in the next section that can overcome all the drawbacks of the manual method.

Professional Approach to Convert Thunderbird to PST

If you tried the above-discussed method and faced some trouble while implementing the process. Then, we will suggest one of the best Cigati MBOX to PST Converter tools that is the most secure and reliable software to use. This tool can easily convert Thunderbird emails into Outlook PST format. Also, it allows users to migrate the emails into PDF, DOCX, JPG, CSV, JSON, EML, etc.

You can also migrate MBOX files to various email clients like Gmail, Yahoo, Office 365, IMAP, HostGator, AOL, Live Exchange, etc. Due to its advanced features, it is the most popular and trusted software. Also, you can convert single and multiple MBOX files with attachments. The MBOX to PST Converter tool allows filtering the data while conversion is based on the Mail Filter option.


PST file contains a large amount of data in a single file. It provides the many benefits to the users that we have discussed in the above portion of the article. You can convert Thunderbird to PST with the manual approach and the automated technique. The manual method has some drawbacks that’s why we will recommend the professional method that provides data security and quick output.