How to Import Thunderbird to Outlook?

Overview: If you want to switch from Thunderbird to Microsoft Outlook, there are easy ways to move your emails, contacts, and folders without losing anything. Thunderbird & Outlook both store emails in different file formats, which can make the process a bit tricky. In this blog, we will show simple methods—including manual steps and easier automated options—to import Thunderbird to Outlook safely and quickly.

Mozilla Thunderbird is a popular, open-source email client that many individuals and businesses use to manage their emails and contacts. Thunderbird stores all email data, including attachments, in MBOX files inside user profiles.

However, many users prefer Microsoft Outlook because of its robust features, better integration with Microsoft 365, mobile and web access, and advanced email management tools. If you want to move emails from Thunderbird to Outlook, there is no direct import option, but this guide will show you two effective ways to do it.

How to Import Thunderbird to Outlook Free?

This is a manual process to export email from Thunderbird to Outlook as follows.

1. Open the Thunderbird application on your system.
2. Now, go to the Account Settings.
3. Click on account actions and choose Add a Mail Account option.
4. Enter your Gmail account login details and click on the Continue button.
5. Type the IMAP details of your Gmail account and press the Finish button.
6. Now, the Gmail account is visible in Thunderbird.
7. Copy Thunderbird mailbox data into the Gmail mailbox folder.
8. After that, open the Outlook email client on your system.
9. Go to the File tab and click on Add Account.
10. Enter the same Gmail Email address and click on Connect.
11. Type the Password of your Gmail account and press Sign In.
12. Outlook will automatically configure a Gmail account.
13. Now, mailbox data will appear in Outlook.

Done!

Limitations:

• Time-consuming for large mailboxes.
• Requires multiple configurations in both Thunderbird and Outlook.
• Relies on stable internet connectivity.
• Folder structure, attachments, or some emails may not transfer properly.
• Users need to provide Gmail credentials, raising security concerns.

How to Convert Thunderbird to Outlook Automatically?

For users who want a fast and error-free solution, using a Thunderbird to Outlook converter is the best approach. This type of software exports Thunderbird emails directly to PST format, which can be imported into Outlook without losing emails, attachments, or folder hierarchy.

Advik Thunderbird Converter is an ideal tool for users who want to avoid time-consuming manual methods. This fast and reliable solution exports Thunderbird emails to PST files, which Outlook can import directly. Why PST? Because MS Outlook only supports importing data in the .pst format.

Additionally, the software can convert Thunderbird data into 30+ other file formats, offering flexibility for different email platforms and backup needs.

Download Thunderbird to Outlook Converter and try it for FREE.

Steps to Import Thunderbird Mail to Outlook

Step 1. Run this software & select your Thunderbird profile.

Step 2. Choose email folders and click on Next.

Step 3. Select PST as a saving option.

Step 4. Browse the target location and then hit the Convert button.

Step 5.  Now, Open Outlook and import PST to Outlook using the import/export feature.

Done! Hence, you can migrate emails from Thunderbird to Outlook by following above steps. This is the best alternative way to move emails, folders and other data into MS Outlook.

Watch How to Export Thunderbird to Outlook

Final Words

Migration from Thunderbird to Outlook is a need for various users. So, we have prepared this helpful article. Here, we have discussed two effective ways to import Thunderbird to Outlook. Both methods are helpful and workable to migrate emails from Thunderbird to Outlook. You can choose any one that is best suitable for you.

Frequently Asked Questions (FAQs)

Question 1. Can I migrate from Thunderbird 115 to Outlook?

Answer. Yes, the software can export emails from Thunderbird 115 and preview versions.

Question 2. Does the software have the ability to convert multiple Thunderbird email folders?

Answer. The answer is Yes, the software will convert Thunderbird mailboxes in bulk.

Question 3. Can I run this software on Windows 11?

Answer. Yes, you can run this software in Windows 11.

Question 4. How do I transfer emails from Thunderbird to Outlook 365 with this tool?

Answer. If you want to migrate from Thunderbird to Office 365 email account. You have to select Office 365 as a saving option from the list. Enter email credentials and click Convert.