What are the steps to migrate Thunderbird’s MBOX file to Office 365 using the Regain Thunderbird to Office 365 Migration Tool?

We know that Thunderbird stores the email data in the MBOX file formats; hence, we will start with installing and launching the Regain MBOX Converter. After launching the tool, first, add the MBOX files that have Thunderbird emails. The tool will analyze the added file and show a preview of the data within the MBOX file. Now, click on the Cloud Migration option given on the ribbon bar. Select Office 365 as the target. The next step is to create a connection and enter the Office 365 login credentials. Users can opt for Basic authentication or Multi-factor authentication for Office 365 login. Move accordingly and prompt for the migration. The tool will pop up a message as the migration completes. You can also save the report for future reference.

Regain Thunderbird to Office 365 Migration Tool

Why is Regain Thunderbird to Office 365 Migration Tool the Best Choice?

Highlights that Ensure this Utility is the Best Option for Thunderbird Migration:

Export Thunderbird MBOX to Multiple Emailing Platforms

This utility is not only limited to the migration of the Thunderbird data to Office 365. It offers exporting MBOX to Exchange Server (On-Premises), Gmail/ Google Workspace, Amazon Workspace, GoDaddy, and other email clients/servers that use IMAP. Moreover, this utility allows the conversion of MBOX to PST, EML, MSG, EMLX, HTML, and MHTML-like prominent file formats.

Migrate Multiple Large Sized MBOX File Concurrently

If you have multiple large-sized MBOX files and want to migrate speedily, then this software is dedicated to you. Regain Thunderbird Migrator can add multiple files of large size in a single processing. In this way, an organization can execute the Thunderbird to Office 365 migration task effortlessly.

Move Thunderbird to Office 365 by Your Own

Regain Thunderbird to Office 365 Migration Tool is a user-centric utility developed to provide an effortless exportation. No need for third-party migration services; now you can execute the Thunderbird to Office 365 migration without any prior technical knowledge in your environment. Get full control over your email migration task.

Migrate Thunderbird Email Data to Office 365 and Various Email Platforms

Convert Thunderbird MBOX file data to Exchange Server, Email Clients/Servers and File Formats.

Browse Thunderbird MBOX File(s)

Process Regain Thunderbird to Office 365 Migrator

Migrate Thunderbird Data in Office 365 Mailbox

File Formats- PST, EML, MSG, HTML, PDF, MHTML and EMLX

Email Clients- Exchange Online (Office 365), Exchange On-Premises, Gmail, GoDaddy, Amazon WorkMail, Yahoo Mail and other IMAP Email Servers/Clients.

3 Simple Steps to Migrate Thunderbird to Office 365/ Exchange Online:

Install and launch the Regain Thunderbird to Office 365 Migration tool, Browse and add MBOX file that has Thunderbird email data.

The software will show the preview of MBOX data; you can select/deselect folders from here. Now, click on the ribbon bar's Cloud Migration button.

Select Office 365 as the target, make the connection, and proceed ahead to start the migration. The software will provide a complete report once migration is completed.

Technical Specifications

Ensure to review the technical specifications and prerequisites before installing the software.

System Requirements

Processor - Pentium Class
Memory - Minimum 128MB RAM (512MB recommended)
Hard Disk - 50 MB for Software installation
Disk Space - Enough space to store recovered output

Version Supports

Windows OS Platforms - Windows 11/10/8.1/8/7/Vista
Windows Server - 2012/ 2008 R2/ 2008/ 2003 R2/ 2003
MS Outlook - 2021/ 2019/ 2016/ 2013/ 2010/ 2007 and 2003

Installation / Uninstallation

User's Guide Installation / Uninstallation EULA

Salient Features of Regain Thunderbird to Office 365 Migration Tool

Have a look at the user-centric facilities offered by this professional utility

Export Multiple Thunderbird Files Simultaneously

Users often have multiple Thunderbird files, making the individual conversion challenging and a very time-consuming process. To simplify and make it easier, this Regain Thunderbird to Office 365 Migration Tool offers bulk and multiple conversion features. It permits users to convert several Thunderbird MBOX files at once. This saves both your time and efforts.

User-Friendly Interface and Ease of Use

To use this tool, you don't need to be a technical expert; its user-friendly graphical interface is feasible even to novice users. You just need to follow the instructions provided by this tool, and it will guide you through every migration step. An efficient and effortless migration is just few clicks away.

Selective Migration of Folders

Many users do not necessarily want to migrate email from Thunderbird to Office 365 with all of their folders. Therefore, The Regain Thunderbird to Office 365 Migration Tool provides cutting-edge features through which users can preview and migrate Thunderbird to Office 365 along with the required data.

Multiple Options for Thunderbird Conversion

Along with exporting to email servers, it also offers converting to multiple file formats. You can convert MBOX to Outlook PST, EML, MSG, EMLX, PDF, HTML and MHTML-like file formats. Moreover, doesn’t matter what is the source of the MBOX files.

Dedicated Option for Resultant PST

In most cases, while exporting to Office 365, users also urged to have a backup in Outlook-supported PST format; this utility provides this. Moreover, users get a dedicated option to manage the resultant PST file size by setting split PST size. It helps if the mailbox size is very large.

Compatible With All Windows OS

Regain Thunderbird to Office 365 Migration Tool is compatible with all Windows OS like 11 Pro/11, 10, 8.1, 8, 7, and others. Users can install and use this tool on any version. You can Migrate all Thunderbird files without facing any problems.

Migrate Thunderbird to Many Emails Platforms

Regain Thunderbird to Office 365 Migration Tool offers to move Thunderbird emails to various email clients/email servers like Gmail, Yahoo Mail, GoDaddy, Amazon WorkMail, Exchange On-Premises and all other IMAP email clients/servers.

Free Trial and Technical support

This migration tool offers you a demo version and program function test before purchasing the software license. The free version upgrades to full version after entering the activation details (license). For any query, our technical support team/sales team is available 24*7, and that too without any extra charges. Users can be assured about its efficiency.

A Real-Life Story of Thunderbird to Hybrid Exchange Server Environment Migration

Have a Look at the Scenario in Which Regain Thunderbird to Office 365 Migration Tool Was Showstopper.

Case: Jeffy, who is a technical officer in an IT firm, had a task to migrate the company Thunderbird emails to a Hybrid Exchange Server Environment. The basic task was to migrate a batch of MBOX files to Office 365 (Exchange Online) and another to Exchange On-Premises. Jeffy didn't want to go with the two different utilities for the Thunderbird migration task.

Solution we Provided For Jeffy's task, which was to migrate Thunderbird emails to Exchange On-Premises and Exchange Online, Regain Thunderbird to Office 365 Migration Tool came as a showstopper. This one-stop solution helped Jeffy to execute migration to the Hybrid Exchange Environment with this wizard. Moreover, Jeffy completed the migration task within the period decided for the completion of migration task.

Reviews

Have a look at what software reviewing companies and customers say about Regain Thunderbird to Office 365 Migration Tool:

Software Reviews

CNET Our testing team evaluated the Regain Thunderbird to Office 365 Tool on various scales and found it to be one of the most efficient and pocket-friendly utilities in the market. Within a single license, users get a lot of features. Very user-oriented utility. View Details →

Software Suggest This wizard has made Thunderbird to Office 365 task a cakewalk. It supports both basic and modern authentication, and this company also provides free technical support. It has ended the need for migration services as users can migrate by their selves. View Details →

Client Reviews

When we decided to migrate the emailing platform to Office 365, it was like walking on an eggshell. Luckily, we were introduced to the Thunderbird to Office 365 Migration Tool by Regain. This utility made the migration task a cakewalk. Very easy to operate for MBOX migration tasks.

★★★★★

Carlos Beckwith, USA

This utility is a one-stop solution for the bulk migration of Thunderbird's MBOX files to Office 365. The best part is that it can migrate multiple MBOX files of any size in a single go.

★★★★★

Marie O. Bryan, Germany

Kudos to the developer for developing such a user-centric utility. I must give 5 out of 5 and recommend this utility to all those who are in my circle. Moreover, their technical support team is worth praising.

★★★★★

Henry Watson, Russia

Submit Your Reviews

Compare the Features of Free Thunderbird to Office 365 Tool and Full Version

Software Features	Trial Version	Full Version
Import Thunderbird to Office 365 in just few clicks	✔	✔
Support Approx. 20+ Email Clients	✔	✔
Convert Thunderbird to Outlook PST, MSG, EML, EMLX, PDF, HTML and MHTML Format	✔	✔
Export Thunderbird mailbox to Office 365, Gmail, Yahoo Mail, Outlook.com, GoDaddy, Amazon Workmail, Exchange Server and IMAP Email Server	✔	✔
Show Preview of emails before conversion	✔	✔
Maintain all email properties and folder hierarchy	✔	✔
24x7 Technical Support	✔	✔
Saving Capabilities	Save 30 items/Folder	No Limitation
	Download	Buy Now

FAQs

We have covered some common queries; if you have any other, feel free to contact us.

We know that Thunderbird stores the email data in the MBOX file formats; hence, we will start with installing and launching the Regain MBOX Converter tool.

After launching the tool, first, add the MBOX files that have Thunderbird emails.
The tool will analyze the added file and show a preview of the data within the MBOX file.
Now, click on the Cloud Migration option given on the ribbon bar.
Select Office 365 as the target.
The next step is to create a connection and enter the Office 365 login credentials.
Users can opt for Basic authentication or Multi-factor authentication for Office 365 login.
Move accordingly and prompt for the migration. The tool will pop up a message as the migration completes.
You can also save the report for future reference.

Yes, you can. If you have migration tasks for both Exchange Online and Exchange On-Premises, then this utility is for you. With this utility, you can migrate Thunderbird's MBOX to both.

Yes, this software works with the MBOX file from any source. Doesn't matter if it is from the Thunderbird, Entourage, Spicebird, Mulberry, Eudora, et cetera.

The software offers multiple file formats as options. With this utility, you can convert MBOX to PST, EML, EMLX, MSG, HTML, MHTML, etc. Moreover, you can migrate MBOX to Exchange Server, Google Workspace, and other IMAP Email Clients.

To log in and connect with Office 365, this utility supports both basic-factor authentication and multi-factor authentication.

To provide an extra edge to customer satisfaction, this utility provides a free demo version that allows one to evaluate the software before purchasing the license. Moreover, if you need any kind of technical assistance with the software, then you can also ask for technical support. For sales queries write to sales@regainsoftware.com and for technical support email to support@regainsoftware.com. We also provide live chat and telephonic assistance.