How to Migrate from Office 365 to Thunderbird?

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Introduction: Migrating from Office 365 to Thunderbird involves transferring your email data and settings from the cloud-based Office 365 platform to the desktop email client Thunderbird. This migration process can be essential when users switch their email clients or need to access their emails offline. So, in this article we will discuss how to migrate from Office 365 to Thunderbird.

Quick Solution: Download and run Xtraxtor Email Migration Tool on your Windows PC to directly move emails from Office 365 to Thunderbird profile. The software has many advanced features such as email filtration, bulk migration, retains folder hierarchy, etc.

Overview of Office 365 and Thunderbird

Office 365 is a cloud-based suite of productivity tools offered by Microsoft, including email services through Microsoft Exchange Online. On the other hand, Thunderbird is an open-source desktop email client developed by Mozilla, providing features for managing emails, contacts, and calendars.

Reasons for Migrating Office 365 to Thunderbird

  1. Preference for Desktop Client: Some users prefer a desktop email client like Thunderbird for its offline access and ease of use.
  2. Platform Migration: Users moving away from the Office 365 environment may need to migrate their email data to Thunderbird.
  3. Backup and Archiving: Thunderbird allows users to store their email data locally, serving as a backup and facilitating archiving.

Hence, there are multiple reasons to migrate from Office 365 to Thunderbird.

Method 1. How to Transfer Office 365 Emails to Thunderbird Manually?

The manual method for migrating Office 365 to Thunderbird involves two primary steps: exporting Office 365 data and importing it into Thunderbird.

Phase 1. Exporting Office 365 Data

  1. Firstly, Log in to your Office 365 account using a web browser.
  2. After that, Go to the Outlook app and click on the gear icon for settings.
  3. In the settings menu, click on “View all Outlook settings.”
  4. Select “Mail” and then “Forwarding.”
  5. Click on the “Export mailbox” option and follow the instructions to export your data.

Phase 2. Importing Data into Thunderbird

  1. Launch Thunderbird on your computer.
  2. Now, Go to “Tools” > “Import” and select “Mail.”
  3. Choose “Outlook” as the source application and then follow the prompts to import the exported data.

Limitations of Manual Method

  1. Manual migration can be time-consuming, especially for large amounts of data.
  2. It may not retain all email attributes, like folder structure and metadata.
  3. The process can be complex for non-technical users, and errors may lead to data loss.

Method 2. How to Migrate Office 365 Email to Thunderbird Instantly?

Xtraxtor Email Migration Tool is a secure and perfect solution to move from Office 365 to Thunderbird. The software is specially designed to directly migrate from one email platform to another. with this utility, you can transfer complete mailbox at once without any data loss. Apart from this, the tool can also migrate email from Office 365 to Gmail, and many other email accounts. The simple interface of this utility  helps beginners to import Office 365 into Thunderbird without any assistance. Download its free demo version and complete Office 365 to Thunderbird migration process in a seamless manner.

Step 1. Launch Xtraxtor Office 365 to Thunderbird Migration Tool on your system.

Step 2. Now, Click on Open >> Email Accounts >> Add Account.

Step 3. Enter Office 365 login details and press Add button.

Step 4. After that, Go to Export and select Thunderbird.

Step 4. Finally, The software automatically detect the location where Thunderbird mailbox is stored and then click on the Save button to start migration process.

The process is complete. Hence, you can easily migrate from Office 365 to Thunderbird in a few simple clicks.

Why Choose Xtraxtor Office 365 to Thunderbird Migration Tool?

Xtraxtor Email Migration Tool offers the following features:

  1. Cloud to Desktop Migration: It directly migrate email from Office 365 to Thunderbird without any external help.
  2. Selective Migration: The software allows users to choose specific folders or data to migrate, avoiding unnecessary duplication.
  3. Preserves Email Attributes: The folder structure, metadata, and email properties are retained during the migration process.
  4. Various Saving Options: The software has multiple saving options to export Office 365 emails. The tool can export Office 365 email to MBOX, PST, EML, PDF, TXT, HTML, etc.
  5. User-Friendly Interface: It offers an intuitive interface for easy navigation and operation.
  6. Bulk Migration: The software has bulk migration facility for multiple users or large datasets.


Migrating from Office 365 to Thunderbird can be essential for various reasons, including user preferences and platform changes. So, in this post, we have discussed how to migrate from Office 365 to Thunderbird. You can manually transfer emails from Microsoft 365 to Thunderbird but there are some limitations. However, the above-suggested tool is able to export Office 365 emails to Thunderbird in a few simple clicks without any hassle.