Know the Most Relevant Method to Migrate From Outlook to Thunderbird

migrate from Outlook to thunderbird

Hey users! Do you have a query like “How do I convert a PST file to Thunderbird?” If your answer is yes, Don’t worry we are always available to resolve your query. Since Email has become an integral part of this modern world. In this modern technological world, no one can even imagine the life without the emails. There are various email clients available. Thunderbird and Outlook are the most prominent of them. Both email clients are developed by Mozilla and Microsoft, respectively. If you are among those who want to migrate from Outlook to Thunderbird, this article is especially for you. Keep reading this blog till the end. We will share with you the two most relevant methods. The first one is Manual, and the second is professional.

Quick Introduction of Outlook and Thunderbird

Outlook: MS Outlook is a popular email client introduced by Microsoft. It is used to manage emails, Contacts, etc. It can be considered as a personal information manager. It is a part of the Office 365 suite and is also available standalone for personal and business usage. It provides a manual feature to transfer emails from Outlook to Thunderbird

Thunderbird: Mozilla Thunderbird is an open-source, free email service provider that is used for the mange emails, chats, news feeds, etc. It was introduced by Mozilla. Thunderbird has a user-friendly interface. It is based on IMAP and POP3 protocols. It is protected by the digital signature and the encryption security.

Manual Method to Migrate From Outlook to Thunderbird

Now, we will see the manual approach to transferring Outlook to Thunderbird. Kindly follow these mentioned steps to migrate without any data alteration. Each step keeps an important value so please don’t skip any step otherwise your precious data might be lost.

  • Click on the Start button, then Default programs, and then go for Set Your Default Program.
  • Now. Choose Outlook to make it default.
  • Launch the Thunderbird on the same device and then click Tools>>Import.
  • Radio>>Mail Options>>Next
  • Now go with Outlook>>Next>>Finish.
  • Once again, make Thunderbird default.

If you have followed these steps correctly. Then, your Outlook to Thunderbird migration process has been completed successfully without any data loss. However, it is not for professionals because the manual process consumes a lot of time, and it might be possible to not get the desired result. It doesn’t have any advanced options. It has more chance of human error. We have a solution to get rid of all these problems. You can go with the third-party tool. However, there are many third-party tools available in the market but we only share with you the most relevant method to transfer Outlook to Thunderbird.

Professional Method to Migrate From Outlook to Thunderbird

I strongly recommend PST Converter Software that helps you with Outlook PST data conversion. It is the best and most affordable tool to convert the Outlook PST file into MBOX and Multiple other file formats such as EML, PDF, EMLX, HTML, MSG, VCF, etc. It allows users to Migrate Outlook PST data into Thunderbird, Gmail, Yahoo, Opera Mail, IMAP, Hotmail, etc. Without the installation of MS Outlook on your PC, you can import PST to Google Workspace. It Previews the complete mailbox folders, subfolders, and attachments. PST Converter works effectively with all versions of the Windows OS. Free demo versions and technical support are available.

  • Download the tool. Run it as administrator.
  • Now click on the Browse button to add your PST file.
  • Select the mailbox items from the preview section and click Next.
  • Now, Choose the Thunderbird email client in the Save/Backup/Migrate As field.
  • Pick all the additional features according to your requirements.
  • Assign a destination path, and click on the Convert button.

And It’s done. Your Outlook to Thunderbird migration process has been completed now. This solution provides you with a quick solution to your problem. You don’t require any extra technical expertise to operate this tool.


In this article, we have shared the most relevant methods to migrate from Outlook to Thunderbird. However, the manual method is easy to approach but it has certain limitations. Therefore, we have shared an alternative solution. This method gives you 100% accurate results in less time. It is an easy-to-use and less time-consuming process. So we suggest you go with this tool without any concern about the data integrity.