How to Migrate Thunderbird Mailbox to Office 365 – Full Guide

Summary – Are you seeking a way to Migrate Thunderbird Mailbox to Office 365? If so, then this blog is for you. It is tough to migrate attachments from Thunderbird emails to Office 365 or another email client. Especially if you’re migrating all of your business emails from Thunderbird to Microsoft Office 365, including attachments, contacts, and calendar events. This post will show you how to move Thunderbird mail to Office 365.

As a result, we’ll need to convert the MBOX file’s contents to a file type so that we can simply import them into Office 365. We can transfer Thunderbird emails to Office 365 utilizing dependable, high-performance technologies.

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Introduction – Mozilla Thunderbird is a popular free and open-source email client used by many enterprises and individuals. Microsoft Office 365, on the other hand, provides a much more stable email platform. This is why users want to move Thunderbird mail to Office 365. In this part, we’ll look at different methods for finishing the migration.

Thunderbird stores its data in the MBOX file format. Emails, attachments, calendars, and contacts will all be available in Thunderbird’s MBOX format. The issue with migrating Thunderbird mail to Office 365 is that these email clients do not support Thunderbird’s MBOX files.

Need to Migrate Thunderbird Mailbox to Office 365?

Here are some of the reasons you should move from Mozilla Thunderbird to Microsoft Office 365 for your email –

• Outlook 2016 is part of the Office 365 package of products, which also includes Word, Excel, and PowerPoint.
• It offers customers more than just an email client; it also includes a set of data management tools.
• Excellent calendaring skills for managing everyday tasks.
• Office 365 now has increased Security cloud services.

Method 1 – Import Thunderbird Emails to Office 365 Manually

To manually migrate Thunderbird mail to Office 365, you must first install the Outlook application. Before you try the manual methods, ensure sure your Office 365 account is configured and connected in the Outlook application.

Step One – Configure Gmail Account with Mozilla Thunderbird.

• Set up a Gmail account in Thunderbird by connecting to an IMAP server.
• Make a new folder in Gmail and move all the emails.
• Set up the same Gmail account in Microsoft Outlook using IMAP or POP functionality.
• Download all emails from Microsoft Outlook.
• Transfer the downloaded emails to your Office 365 account.
• You successfully transferred data from Thunderbird to Microsoft Outlook and then to your Office 365 account.

Step Two – Export Thunderbird EML emails to Office 365.

Follow the procedures below to save Thunderbird mail as EML files.

1. Make a new folder in your desktop.
2. Open Mozilla Thunderbird and select the messages you want to duplicate.
3. Choose Save As from the menu when you right-click on any message you want to save.
4. Save the emails in the aforementioned New Folder.
5. Instead of selecting ‘Save As’, simply drag & drop the messages into the new folder.

Step three – Import an EML file to Outlook.

• Open the Microsoft Outlook email client.
• To copy Thunderbird emails, create a new folder in Microsoft Outlook or choose an existing one.
• Drag and drag all the saved EML files from your Desktop folder to this new Outlook folder.
• Move the emails from the new folder to your Office 365 account.

Drawbacks from manual methods –

1. Manually importing Thunderbird emails to Office 365 has numerous disadvantages.
2. The method is time-consuming and difficult.
3. This method is unsuitable for copying large amounts of data. It’s only useful for exporting a few messages, which is inconvenient for large businesses dealing with a lot of data.
4. This solution does not guarantee data security.
5. Data loss – There is a considerable risk of data loss while utilizing this method, which is a nightmare for large businesses and numerous users.

Method 2 – Quickly to Migrate Thunderbird Mailbox to Office 365.

Many firms are unable to use manual operations owing to resource restrictions. So we created a professional and dependable tool for importing emails from Thunderbird to Office 365. The DataVare MBOX to Office 365 Converter is one such practical and comprehensive method for importing MBOX to Office 365. This program is simple to use and is ideal for organizations and people who want to migrate Thunderbird email messages to Office 365 without using Outlook.

The conclusion

With its benefits, MS Office 365 is causing organizations who use Thunderbird to migrate to the O365 platform for email. As a result, Migrate Thunderbird Mailbox to Office 365 has become important for these enterprises. However, we explored both manual and expert solutions to the users’ questions. However, we determined that manual approaches are simply too complicated and unreliable to be used for such an important duty. The provided professional tool method, on the other hand, solves these limitations and significantly simplifies this time-consuming process for consumers.