How to Transfer Thunderbird to New Computer?

If you're planning to move Mozilla Thunderbird from your old PC to a new one (like Windows 11), this guide explains two easy ways: manual and automatic using a tool.

What is Thunderbird?

Thunderbird is a free email client for Windows, macOS, and Linux. It stores emails, settings, and contacts in a profile folder. By copying this folder, you can transfer your full email setup to another computer.

Method 1: Manual Transfer of Thunderbird to a New Computer

Steps:

1. Press Windows + R, type %appdata% and press Enter.
2. Open the Thunderbird folder and find the Profiles folder.
3. Copy this folder to a USB drive.
4. On your new computer: Install Thunderbird.

• Again, go to %appdata%\Thunderbird.
• Replace the new Profiles folder with the one from your USB.
• 
  

1. Open Thunderbird — your emails and settings should appear!
2. 
   

Make sure both computers have similar Thunderbird versions.

Method 2: Easy Transfer with Yota Thunderbird Migrator Tool

If you have lots of emails or multiple accounts, use Yota Thunderbird Migrator professional tool that transfers everything smoothly.

Why Use It?

• Automatically detects and transfers emails.
• No file size limit.
• Converts to formats like PST, PDF, MBOX, etc.
• Supports importing to Gmail, Outlook, Office 365, etc.
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Steps to follows-

1. Install the Yota Thunderbird Migrator on your new PC.
2. Click Open > Desktop Email Clients > Thunderbird Accounts.
3. Select the Thunderbird profile and click Export.
4. Choose MBOX (or other format) and hit Save.
5. 
   

That’s it! your data is transferred safely