How to Migrate Emails from Thunderbird to Office 365 / Microsoft 365 Directly?

Approved By Rollins Duke

Published On December 5th, 2023

Reading Time 6 Minutes Reading

Microsoft offers a monthly subscription for the cloud service. Microsoft Office 365 facilitates better document collaboration and safer communication in real time. Many administrators are looking for a solution to import Thunderbird profiles to Office 365 accounts.

So, this blog is written to solve this Thunderbird to Office 365 migration issue of personal and business users. Read the blog and know the complete process.

Mentioned methods will work on these queries, that we are receiving from users:

How can I migrate Thunderbird to Office 365?
Can I Export Thunderbird to Office 365
How to Export Emails from Thunderbird to Office 365?
How to Connect Thunderbird to MS Office 365?

Reasons for Import Emails from Thunderbird to Office 365

Here are some causes due to which users want to migrate email from Thunderbird to Office 365 account:

Microsoft Office 365 comes up with the feature of data sharing, communication, storage, and collaboration
Provide unique subscription plans for every organization depending on the size and requirements
MS Office 365 provides the complete package of MS Office applications like Word, Excel, PowerPoint, Access, Skype, Exchange Server, and more
Migrate Thunderbird Emails to Microsoft 365 to read email messages through any browser on any mobile or tablet device.

How do Migrate Emails from Thunderbird to Office 365?

Two methods exist to export Thunderbird profile data to Office 365 account directly. First, we will explain the manual method and the reasons we should avoid the manual ways and then will show you the best expert solution. Both methods are mentioned below in detail:

Manual Method for Thunderbird to Office 365 Migration?

The manual method is divided into two steps, and both steps are mentioned below in detail:

Step 1: Connect Thunderbird to Office 365

Open your Thunderbird account on your device.
Now click on the “Tools” >> “Account Settings” button.
Select the Account Actions button as you can see in the mentioned screenshot.
A list will appear and choose the “Add Mail Account” option.
Enter the login details of the Office 365 account like email address and password and hit the “Continue” button.
Set up the configuration settings and hit the “Done” button, if you are facing any error then choose the “Configure Manually” button.
Enter the Microsoft 365 account credentials and hit the Required Approval button.

Finally, your both accounts are connected successfully. Now follow step 2.

Step 2: Migrate Email from Thunderbird to Office 365

Restart your Thunderbird and right click on the configured account and choose the “New Folder” option.
And give it to a name and hit the Create Folder button.
The folder is created successfully and then select all the required folders of Thunderbird using the CTRL + A keys.
And drag the folders and drop them into the newly created folder.
Wait for a while and check all the emails will appear on the Office 365 account after successfully syncing.

Step 3: Remove MS O365 from Thunderbird Account

Disconnecting your accounts is a required step for security reasons.

Go to Tools >> Account Settings >> Account Actions >> Remove Account option in Thunderbird account.
A confirmation message will appear to enable the “Remove Message Data” option and hit the “Remove” button.

Why Manual Methods are Not Safe for Thunderbird to Office 365 Migration

Thunderbird requires to be installed your system properly.
Only migrate one folder of Thunderbird at one time.
The wrong step will restart the process or loss your data.

If you want to migrate the complete data of the Thunderbird account, then use method 2 that are mentioned below.

Method 2: Expert Solution to Import Emails from Thunderbird to MS Office 365

The MailsWare Thunderbird Converter Tool is one of the best and fastest solutions for Thunderbird to Office 365 migration without losing any information. The software is highly recommended in the market, because of the highly advanced features and filters.

Users can easily download and install the software without any error, the software support bulk Thunderbird to Office 365 migration. It can load the complete Thunderbird profile automatically from the default storage location. To know more about the software read the mentioned features:

Download Now Purchase Now

Why Professional Solution Over Manual Methods?

Automatically Load Data: The software has the power to load the data automatically with the connected Thunderbird profile from the default storage location. So, there is no need to upload data manually.
Dual Options: If you have exported Thunderbird data, then you can easily add the files and folders manually using select files – to upload single or multiple files and select folders – to add the folders that contain multiple Thunderbird file options.
Migrate Complete Profile Data: The Thunderbird to Office 365 migration tool is capable to migrate complete data from Thunderbird to Microsoft 365 including emails, contacts, calendars, notes, journals, tasks, etc.
Retains Folder Hierarchy and Email Components: The software has the power to retain the original folder hierarchy and email components during and after the migration including Bcc, Cc, To, From, Date, Subject, Formatting, Images, Signature, etc.
Change Language Option: This option enables users to map the folders into different languages like English, Dutch, German, French, Spanish, Swedish, Norwegian, Finnish, and Italian.

Working Steps to Migrate Emails from Thunderbird to Office 365

Download the software using the download button and install it.
After successfully installing hit the Next button and add the Thunderbird profile data automatically or manually.
All the folders and subfolders of Thunderbird will appear check and uncheck the required data and click on the Next button to start the Thunderbird to Office 365 migration.
Choose the Office 365 options from the select saving option list.
Enable the required filters like I Am Admin or applying Change Language options etc as per your needs.
Enter the login details of your Office 365 account and click on the “Next” button.
And your Thunderbird to Office 365 migration process starts.

When the process is complete, a confirmation message will appear hit the ok button and check the Office 365 account to verify your data.

Read Also: How to Transfer Office 365 Mailbox to Another Account Directly?

Time to Say Goodbye

We have mentioned manual and professional methods to migrate emails from Thunderbird to Office 365 accounts. Manual methods have limits and restrictions to import Thunderbird data to Microsoft 365 accounts, as you can read in the article. If you don’t want to face any restrictions, then try the professional solution, which comes with the trial version to see and analyze the tool. Choose the method which suits your requirements best.