Easy Way to Move Thunderbird to New Computer | 2026
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Written By
Aaradhya Jain -
Approved By
Shivam Rathore -
Updated on
January 22nd, 2026 - Read Time
6 minutes
User Query: I recently purchased a new computer and would like to continue using Mozilla Thunderbird with all my existing emails, contacts, and account settings. I’m worried about losing important data during the transfer. What is the safest way to move Thunderbird to new computer without any data loss?
Introduction: In this article, we guide you through the process of transferring Thunderbird to a New PC without losing any data. Mozilla Thunderbird is a popular, open-source email client that allows users to manage multiple email accounts, calendars, and contacts in one place. If you’re planning to move Thunderbird to a new computer, the process might seem daunting. However, with the right steps, you can easily transfer all your data, including emails, account settings, and add-ons, without losing any information. This guide provides top manual methods and the DRS Thunderbird Email Backup Tool to ensure a smooth transition.
Need to Move Thunderbird to New Computer
Creating a backup of your mailbox data is beneficial in many ways. Below, we discuss some prominent advantages of backing up and migrating Thunderbird to a new computer.
- It helps you to back up your Thunderbird mailbox data and restore it when needed.
- You need not manually add any Thunderbird profile to another PC while setting up email accounts.
- Also, you can export your Thunderbird data to another webmail or email client.
We have now learned why we need to migrate Thunderbird to a new computer. It is time to check the effective technique to transfer your data.
How to Move Thunderbird to New Computer?
You have to perform a two-step procedure to migrate Thunderbird to a new PC. First, you need to locate the Thunderbird profile file and copy it to an external drive. Finally, paste it into the destination system and add it to the Thunderbird profile.
How to Transfer Thunderbird to New PC Manually
Let us check how to do it.
#1. Copy Thunderbird Data
- Launch the Mozilla Thunderbird Application in your system.
- Now, click on the Menu button in the top right corner.
- After that, click on Help, then select the More Troubleshooting Information option.
- The Troubleshooting Information page will be opened. Scroll down to the Profile folder and press the Open Folder button.
- It will open the location of the Profile Folder. Go three levels up to the Roaming folder.
- Now, locate the Thunderbird folder and right-click on it. Copy the complete folder.
- Note: Close the Thunderbird email client because it may hinder.
- After that, paste the folder to the External Drive or OneDrive.
#2. Set up Thunderbird on the new computer
- Install the Thunderbird application on the new computer.
- Launch the application, but do not create a new profile. Instead, close the setup wizard.
- Click on the Menu button and select Help, and then More Troubleshooting Information.
- After that, click on the Open Folder button and return three levels up to the Roaming
- At last, copy the Thunderbird folder from the external drive or OneDrive and paste it anywhere in the Roaming folder.
By performing the above steps, you can move Thunderbird to a new computer easily. You do not require any additional tools to complete the migration. When moving Thunderbird to a new computer, using manual methods for transferring data, such as copying the profile folder, can be effective, but there are several drawbacks to be aware of.
Drawbacks of the Manual Method
- Manually transferring Thunderbird data requires a certain level of technical expertise.
- It’s easy to accidentally copy only part of the profile or forget to transfer certain files, leading to missing emails, contacts, or settings on the new computer.
- During the manual transfer process, there’s a risk that the profile could become corrupted, especially if the transfer is interrupted or files are not copied correctly.
Considering these drawbacks, it’s worth exploring automated tools or professional assistance, especially if you’re dealing with large amounts of data or complex configurations.
Transfer Thunderbird to New Computer Using Pro Method
The DRS Thunderbird Backup Tool offers an efficient solution to move Thunderbird data from one computer to another. It allows users to securely back up Thunderbird emails, contacts, and other important data and restore them on a different system. With its user-friendly interface and advanced features, the tool simplifies the migration process while ensuring no data loss. This makes transferring Thunderbird profiles between computers both easy and reliable, perfect for seamless data management. Apart from this, you can also export Thunderbird to Outlook PST, MSG, PDF, and more. Follow these steps to move Thunderbird to a new computer.
One-Time Thudnerbird Backup Service
This tool also provides a one-time backup service for Thunderbird users. You simply share your Thunderbird profile with our technical support team, and they securely back up and convert your Thunderbird emails into the required formats. The process is safe, private, and completed with zero data loss.
Simple Steps to Move Thunderbird to New Computer
- Download and install the DRS Thunderbird Backup Software on a computer.
- Choose the Thunderbird Profile that you want to backup. Click Next.
- Select the folders you want to backup from the list and click Next.
- Now, pick the Saving Format from the drop-down list.
- Apply the advanced features and filters as per your needs. Click Convert.
Conclusion
We hope you have learned how to move Thunderbird to new computer with the manual method and using a professional solution. Where the manual method comes with multiple drawbacks, and a professional solution makes the whole migration process smooth. Overall, it all depends on you which method is suitable for your needs.
Frequently Asked Questions
Ans: The safest way is to use the DRS Thudnerbird Backup Tool. This ensures all emails, account settings, and extensions move together.
Ans: Yes, a reliable Thunderbird migration tool can move emails, contacts, and mailbox folders in one process. This saves time and prevents configuration errors that often occur when data is transferred manually.
Ans: Yes, a professional tool is designed for secure data handling. They work in read-only mode, meaning your original Thunderbird data remains untouched, reducing the risk of corruption or accidental deletion.
Ans: A DRS Professional Tool supports large Thunderbird mailboxes and multiple profiles without performance issues. It processes data in an organized way, ensuring smooth migration even for users with years of stored emails.
Ans: Manual migration involves copying profile files, which can lead to missing data or corrupted folders. A professional tool automates the process, applies built-in validation checks, and ensures accurate data transfer with minimal user effort.
About The Author:
I, Aaradhya Jain, a technical content writer at DRS Solutions, specializes in delivering clear, practical guides on data management, migration, and recovery tools. With a detail-oriented and user-first approach mindset, I transform complex processes into actionable insights for IT professionals and decision-makers.
