Helping Clients to Migrate from Thunderbird to Outlook 365 – Effective Approach

  •  Shivam Pandey
  • Published on:  November 21st, 2022
  • Updated on:  November 26, 2022
3/5 - (2 votes)

Summary: We mainly use several email service providers daily. But every email provider offers different services to its users. Therefore, many users take advantage of several email clients, such as Thunderbird, Office 365, etc. But sometimes, for any reason, users seek Thunderbird Backup Tool as a feasible option to migrate from Thunderbird to Outlook 365.

We usually prefer various email assistance services such as Gmail, Yahoo Mail, Yandex, etc. that offer us service. Most of the time, we want all our email accounts on a single platform. Because they are manageable at that moment, they use email clients such as Thunderbird and Office 365.

Although Thunderbird is a complete package, it is a desktop-based email client. You can only access it in some places. Office 365, contrary to popular belief, is displaying new trends and improving user accessibility. For example, you can access your account online at any time, and from any location. Aside from small amounts, M365 provides a variety of services that are relevant in today’s world.

Despite the unique and relevant features of Office 365, many users want to migrate from Thunderbird to Outlook 365. So, in this article, you’ll learn the most authentic and relevant approaches to migration from a professional standpoint. In addition, we will also elaborate on some reasons for switching from Mozilla to M365.

Why do We Prefer Office 365 over Mozilla Thunderbird?

Though both play significant roles in offering the best services to their users, in some aspects, Office 365 is the best, and here below are some reasons why users opt for O365 instead of Thunderbird.

  • O365 allows you to access your account from anywhere, anytime.
  • With a small payment, you can avail of many services, like under an admin account, which allows you to add multiple accounts. That’s why it is the most preferred by professionals.
  • Office 365 offers you a cloud service to save your data unlimitedly. It is one of the biggest reasons for users to migrate Thunderbird email to Office 365.
  • Because you saved everything directly to the cloud, you have a lower chance of losing your data.
  • It is next to impossible, your data may be hacked, due to its variant features and cloud services.
  • M365 comes with the Auto Upgrade feature, which means it is automatically upgraded itself, while Thunderbird needs to be improved with this facility.

Therefore, many users want to migrate Thunderbird to Outlook 365. In the next section, we will learn how to proceed with the migration.

Although there is no direct manual approach that can execute the steps involved in transferring if you wish to use the manual technique. It requires Outlook as an intermediary which allows you to export Thunderbird emails to Outlook where you can configure your Office 365 account.

Apart from this, there are so many complexities that you may face while accomplishing it manually. A few of its limitations are listed below.

Limitations of the Manual Approach

  • This method requires a high level of technically skilled expertise.
  • It is full of complexities, therefore, needs special attention for execution.
  • You need enough time to migrate from Thunderbird to Outlook 365.
  • Not all your data will migrate in a single go.
  • During migration, your risk of data loss is at its zenith.

These are some constraints you may face while dealing with the traditional approach. But if you want to prevent yourself from the above complications, then go for a reliable and automated approach that can securely migrate your data.

Smoothly and Efficiently Migrate from Thunderbird to Outlook 365

The Mozilla Thunderbird Backup Tool is a full-featured utility that can easily migrate your entire or selected Thunderbird mailbox into over 21 different file formats and email clients. Other than that, there are a few advanced features. You can also avail of, and the list of documents below.

Why Choose Us to Migrate from Thunderbird to Outlook 365?

  • Saves your Thunderbird email messages and attachments into PST, PDF, EML, EMLX, MSG, CSV, TIFF, JPG, GIF, HTML, Doc, MHTML, and others.
  • Migrate Mozilla mailbox into Gmail, Yahoo Mail, IMAP, Hotmail, iCloud, Zoho, Office 365, AOL, and Zoho mail.
  • Allows you to preview your mailbox before migration.
  • You can save your space by removing duplicate emails.
  • Technical- expertise is not required to run this tool.
  • Your data is completely safe after migration.

These are some of the other benefits of the utility you can get with this tool. It also helps users for transferring Thunderbird to new computer. In the following part, we will elaborate on the simple steps involved in migration.

Steps to Migrate from Thunderbird to Outlook 365

  • Download Thunderbird Backup Tool and run it as an administrator.
  • Select the profile, of whose messages you want to migrate.migrate from thunderbird to outlook 365
  • Choose the files/folders for migration. In between, you can also preview your added files.migrate from thunderbird to outlook 365
  • Next, choose the saving format as Office 365 from the drop-down menu.
  • Enter the O365 credentials such as Office 365 ID and Password.migrate from thunderbird to outlook 365
  • Manage the utility feature in accordance.migrate from thunderbird to outlook 365
  • Click the Convert button to export Thunderbird emails to Outlook 365.


I hope this write-up helps you migrate from Thunderbird to Outlook 365 efficiently. Despite automated tools, no direct manual method can help you with this task. It can assist you with a quick migration and provides numerous advanced features. Moreover, if you feel any discrepancy in the migration duration, Then our technical support team is always there for you around the clock.

About The Author:

Shivam works as a Technical Content Writer. He writes technical blogs, articles, newsgroups, etc. on Database Recovery, Email Backup & Migration for Cloud and Webmail Email Clients. He has almost two years of writing experience and has written about many Technologies such as Cloud Computing, Intelligence, IoT, and Email Management.

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