-
Written By Rohan Wiese
-
Updated on July 31st, 2025
There are a few reasons why someone might prefer Thunderbird over Office 365:
For users who are dealing with the difficulty of migrating from Office 365 to Thunderbird. They can totally rely on either the manual method or on using a professional tool. Here you can go through easy solutions to move from Office 365 to Thunderbird as follows:
To manually import your Outlook 365 mailbox into Thunderbird. This method requires using intermediate tools since Outlook 365 and Thunderbird use different file formats and protocols. Here’s how you can do it:
Incoming Server: IMAP; outlook.office365.com; 993 ; Autodetect Outgoing Server: SMTP; outlook.office365.com; 587; Autodetect |
Note: if you want to delete the Office 365 account by navigating to:
Go to Tools >> click on Account Settings >> then Account Actions >> and select Remove Account.
When you have to migrate from Office 365 to Thunderbird or want a more accurate and time-efficient method, using the Aryson Office 365 Backup Tool is a better choice. This software easily migrates Office 365 to Thunderbird without data loss or formatting issues. It also supports bulk migration, ensuring all your emails are transferred quickly and securely. Also, you can pick the advanced feature of the software according to your requirements. It provides accuracy and ease to the users to accomplish the task.
Note: Now, follow the steps below to learn how to import a MBOX file into Thunderbird:
In Thunderbird, click on Menu > Add-ons and Themes > Search and install ImportExportTools NG>> right-click on Local Folders, choose ImportExportTools N G >> Import mbox file. Locate and load your .mbox file.
Additional Tip: Also, you can export Office 365 to PDF for legal or documentation purposes with the help of the same utility.
Migrating Office 365 to Thunderbird can seem complex, but with the right method, it becomes simple. In this blog, we have seen a manual that lets you access Office 365 emails in Thunderbird. On the other hand, a professional tool offers ease, speed, and control over data to migrate Office 365 to Thunderbird.
Ans: Yes, Thunderbird supports Office 365 using the IMAP protocol. Just configure your account using the correct server settings and credentials.
Ans: Here’s how you can convert Office 365 to Thunderbird
Download & install Aryson Office 365 Backup Tool and click on Backup.
Log in with your Office 365 email and app password.
Select the Source and click Next.
Select the mail and click Next.
Select the backup format to be MBOX and apply advanced filters.
Click Backup to export your emails.
About The Author:
As a lead technical writer, I know the technical problems faced by office and professional users. So, I decided to share all my technical knowledge through this blog. I love helping you with tough challenges when dealing with technical issues.
© Copyrights 2014-2025 is an affiliate partner of Aryson Technologies. - All Rights Reserved