How to Migrate Emails from Thunderbird to Office 365

Anuraag Singh ~ Published: March 26th, 2022 ~ Office 365 ~ 4 Minutes Reading

These days, email migration is a complex task. The purpose of every corporation or business that performs it is frequently to send thousands of hefty mailbox emails from one application to another. Additionally, data loss is a possibility owing to item obstructions. Take migrate emails from Thunderbird to Office 365, for example.

Method 1: Manually Migrate Emails from Thunderbird to Office 365

The manual method for transferring Thunderbird to Outlook 365 consists of two phases. Export Thunderbird Emails to a local computer before importing the EML files into Outlook 365. But first, let’s go over the stages for getting started:

Step 1: Save Thunderbird emails to your computer’s hard drive

To begin, make a new folder locally.
Now open Thunderbird on your PC and sign in with the necessary credentials.
Open Thunderbird and go to the folder where you wish to migrate emails from thunderbird to Office 365.
You may choose a single message by right-clicking it, or you can select all messages by using Ctrl+A.
After you’ve selected the emails you want to save, right-click on them and select Save As.
Assign the folder name and the target path. Save your work by using the Save button.
Finally, Thunderbird emails are downloaded to your computer.

Step 2: Import EML Files to Outlook in Office 365

To get started, open Outlook on your computer and sign in using the correct credentials.
Go to the Outlook folder where you’ll keep Thunderbird emails.
You may alternatively go to the Folder tab and select New Folder from the drop-down menu.
In the newly formed dialogue box, give the new folder a name.
Then click the Ok button to migrate emails from Thunderbird to Office 365.
After that, the folder will appear on the left side of the Outlook application.
Click on the folder to see this information in the center panel.
Finally, choose the EML files from a chosen folder in Outlook and drag them there.

Method 2: Attachments are supplied as Attachments

Start Mozilla Thunderbird on your Windows PC right now.
From this menu, pick the messages that you want to import into Office 365.
It will open a new email window in which you can keep track of your emails and attachments.
Enter your email address and click the Send button to send Thunderbird mail to Office 365.
Finally, your Thunderbird emails will be imported into Office 365.

Drawbacks to Manually Migrate emails from Thunderbird to Office 365

The manual method is inconvenient and only allows users to transfer a small number of emails at a time.
It’s conceivable that migrate emails from thunderbird to Office 365 could take a long time.
Customers who want to convert the bulk of their Thunderbird emails and attachments to O365 face the danger of data loss, which might take a long time.
Thunderbird folders’ data integrity and organizational structure cannot be compromised.

Professional Solution to Migrate Thunderbird emails to Office 365

It’s been a long time since there’s been a competent and dependable method for migrating email from Thunderbird to Office 365. Importing MBOX to Office 365 is one such method that is both efficient and complete. This Software is easy to use and is best suited for businesses who wish to transfer Thunderbird email messages to Office 365 without having to utilize Outlook.

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Download and Run the software in your Operating system.
Click on Add file option and add your Thunderbird email MBOX File in your Software.
After that, choose to maintain folder hierarchy or not.
Now, enter a normal user login credential in the software.
Now, you can apply filter and click the Export button to start the whole Migration Process.
Finally, Migrate emails from thunderbird to Office 365.

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Benefits of this Tool

You may not only migrate Thunderbird data to Office 365 mailboxes with the software, but you can also do it in bulk without slowing down the system.
The Software enables you to easily and safely move all of your Mozilla mailbox emails to your Outlook online mailbox.
The utility’s user-friendly graphical interface makes it simple to use and comprehend the application.
The application features an integrated date filter that allows it to transmit a large number of data items by date.
Regardless of the version of Windows on your computer, you can easily convert Thunderbird MBOX data to Office 365 with our application.
Allows you to transform data using impersonation or not.

Conclusion

This article explains a time-consuming and labor-intensive manual method for migrating numerous mailboxes. It also illustrates why administrators should simplify the entire procedure. On the other hand, manual operations have a variety of disadvantages, including the potential of database loss. As a result, I recommend migrate emails from Thunderbird to Office 365 through a third-party solution.