How to Move Thunderbird to a new computer [Emails & Profile]

Updated On - September 23, 2022 by Nasir Khan |

Reading Time: 5 minutes

Numerous users use Thunderbird as their primary email program because of its numerous advantages, which include excellent malware detection, a solid reputation for dependability, the flexibility to modify, a high degree of privacy, compatibility for email protocols such as SMTP, POP3, and IMAP, and much more. However, several reasons can raise the need to move Thunderbird to a new computer.

If you also want to move your Thunderbird profile to a new Windows 8 machine? Then there’s no need to fight any longer; merely apply the steps following to transfer Thunderbird emails, mailboxes, and data to a new PC.

Usually, to allow your new desktop access to your data, you must copy your profile folder and account details from your former computer to your new computer for Thunderbird configuration.

Related Post: Reasons to move from Thunderbird to MS Outlook

Before you start, have you decided where to save the data?

Actually, you will need a destination where you can store the copied data from the existing profile. Emails, calendars, settings details, address books, events, saved passwords, and other data are commonly stored.

The length of the total data depends on your use. However, before copying them from your former profile, you must select a place or destination where you can easily store them. There are numerous solutions available, including a USB flash drive (portable hard drive) or a cloud server, which includes Dropbox, OneDrive, Google Drive, and others.

Step-by-step procedure to move Thunderbird  to a new computer (Emails & Profile)

In this article, we will use OneDrive to store data and describe the process. But you can use any other storage platform that suits you. Let us begin the procedure.

Start by copying data from your existing computer

1. Begin by starting Thunderbird on the desktop you’re currently using and then selecting the menu option.

How to Move Thunderbird to a new computer

2. Clear your trash and junk directories to lower the volume of your data and the duration it takes to copy and move it.
3. Choose assistance, followed by troubleshooting information.
4. The next stage is to launch Windows Explorer and navigate to your Thunderbird data file.

steps to move Mozilla Thunderbird emails to a new computer

5. You must now return to your Thunderbird profile and close it.
6. Find the roaming directory in the account folder you were formerly using. You’ll discover it is three levels higher than you are now.

Copy Thunderbird profile to new computer

7. Identify the Thunderbird folder on your previous desktop and right-click it. And then choose a copy.

Importing old Thunderbird profiles to new PC

Secondly, store the data on OneDrive

You should now be able to navigate to the storage device or cloud server you’re using to upload your files. Let’s utilize OneDrive for this lesson. However, you might utilize a flash drive or another form of cloud storage, depending on what suits you best.

At this stage, you just need to store or paste the Thunderbird data from your existing device to OneDrive.

Restore Thunderbird emails to another computer

1. Right-click and use the paste feature to upload your data into OneDrive.

Move my Thunderbird profile to another location

2. It will save your Thunderbird profile to OneDrive. The time that it takes will be determined by the volume of your files.

Transfer Thunderbird emails to a new computer

Lastly, transfer the data to your new computer

Now you just need to paste or import the data into Thunderbird on your new desktop. But before you install Thunderbird on your desktop, click on OneDrive on your new desktop. Copy the Thunderbird directory by right-clicking it.

If you have copied the data from OneDrive and installed Thunderbird on your PC, then follow the steps as described below.

  • Also, keep in mind that you don’t need to configure any additional accounts or add any email addresses (just like in the image below). Simply close the pop-up window.

Transfer my old Thunderbird profile to my new system

  • Rather than establishing a new email account, go to the Thunderbird “menu” section.

Move Thunderbird Profile & Email To a New Computer

  • The following step is the same as when you copied your Thunderbird profile. Select troubleshooting information from the help option in the top navigation.

Move Thunderbird emails to a New Computer?

  • Choose the open folder from the troubleshooting interface.

Way to transfer Thunderbird emails to another account

  • Return to the Thunderbird client on the new computer and quit it, just as you did on the previous one.
  • Return to your Thunderbird profile directory and search for the roaming directory.
  • Within your roaming folder, right-click somewhere in it and choose paste. This will create a clone of your Thunderbird profile folder. That’s it.

Forward all Thunderbird emails from one account to another

  • After that, you’ll be asked if you want to replace the items in the location, skip them, or let each item determine its own fate. Select the “Replace the files in the destination” option.
  • Launch Thunderbird to ensure that you have properly moved your data from your existing computer to your new one.
  • When you activate it, you will notice that your previous configurations, emails, and profile are instantly on your new desktop.

Related Blog: How to Backup or Save Thunderbird Emails

If you decide to use Outlook on your new computer

You will definitely face a great problem with Thunderbird data. Thunderbird uses the MBOX file format to store its data files, while Outlook uses PST or OST files only. It doesn’t support the MBOX extension. In that situation, an MBOX to PST tool is the best solution for you.

We strongly recommend using the Regain MBOX to PST converter software. It has a strong optimization method and an intuitive user interface for converting emails from MBOX email programs like Thunderbird, Entourage, Spicebird, AppleMail, Eudora, Pocomail, and many others to MS Outlook PST files.

Author: Nasir Khan

I am Nasir Khan from India, working as a Content Developer in Regain Software. Here I am writing about our products and their updates. And writing some free solutions from converting emails or Cloud Migration process. We have tools like Email Converter, Emails backup and Cloud migration.

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