Migrate Thunderbird to Office 365

Thunderbird to Office 365 Migration Tool to Connect Thunderbird to Outlook Web App


TRIAL LIMITATION - Free Thunderbird Export to Office 365 version only moves up to 20 emails from Thunderbird to Microsoft Exchange Online

Features - Thunderbird to Office 365 Migration Tool

Thunderbird Migrate to Office 365 software is a very helpful and beneficial solution for users to resolve their Thunderbird to OWA Exchange Online conversion issues. The utility is a complete key, which offering the advanced features to its users.

Bulk Thunderbird migrate to Office 365

Batch Import Thunderbird Mailbox in O365

The Mozilla Thunderbird Office 365 software is a perfect solution to convert unlimited Thunderbird mailboxes into OWA Exchange Online at once. The only thing you require to do is collect all the email files from Thunderbird in an individual folder and then load this folder using the Add Folder option of the software. So that, you can connect bulk Thunderbird emails in O365 cloud with no one issue.

view Thunderbird emails before conversion

Preview Thunderbird Emails before Migration

The software also gives one of the most advanced features i.e. Preview mode. This feature allows you to see preview of the selected Thunderbird email before taking the actual step of conversion. It helps users to analyse their Thunderbird data files for any inconsistency and export only the desired Thunderbird data into Office 365 Webmail.

Import Thunderbird in Outlook 365 with accurate Email Properties

Preserves all Email Properties Intact

Using Thunderbird to Office 365 Migration application, users can be rest guaranteed for the type of data that is being transferred into their cloud account. It accurately retains all the email properties including Mail folders, formatting, hyperlinks, Meta Headers, embedded images, message body contents, etc. are kept without any alteration at all.

Thunderbird export to Office 365 OWA with Exact Folder Hierarchy

Keeps Folder Hierarchy in Exact Manner

Maintaining the folder hierarchy of Thunderbird mailbox files is the first priority of many users who don’t want it to alter while moving and viewing them into another application. The Thunderbird to Outlook 365 keeps the original folder hierarchy of Thunderbird files intact throughout the complete process of Thunderbird to Office 365 migration.

Thunderbird Microsoft Exchange Online with Attachments

Move Email Attachments too

Attachments are the most significant part of the email files and are important too, for a business user. Therefore, while importing their Thunderbird emails into Outlook Web App, users need the attachments to be migrated too. The Mozilla Thunderbird Exchange Online tool take care of this requirement and keeps all the email attachments are also exported along with Thunderbird mailboxes. There is no change in the file format or file size of the attachments and they are preserves in their real structure.

Mozilla Thunderbird Office 365

Date Filters Available for Selective Migration

Sometimes user wants to transfer only the specified data (of particular time period) instead of moving the complete Thunderbird files into Office 365 database. To help them in resolving the problem, the Mozilla Thunderbird Office 365 software provides date filter option, which allow to convert Thunderbird files between the certain ranges of data into Outlook 365 account.

Independent Conversion Tool

Stand Alone Conversion Application

The Thunderbird to Office 365 migration software is a stand-alone application that does not requires installation of any supported application like Mozilla Thunderbird. The utility requires only Thunderbird files to import into Office 365 cloud mailbox. So that, you can also connect Thunderbird to Outlook Wen App even Thunderbird is not configured in the system.

Supportable with all Windows OS

Suitable with all Windows OS Platforms

The Thunderbird to O365 software is a Windows based utility that is supportable to run on all 32-bit and 64-bit Windows Operating Systems such as Windows Vista, XP, 7, 8, 8.1, 10, and all below versions.

Specifications - Thunderbird to Office 365 Migration Tool

Get to know all the needs to achieve before Thunderbird email conversion to Office 365 account

Software Download

For Thunderbird mailbox to Office 365 migration, users will have to download 2 products:

Download Thunderbird to Ofice365 first software

Download Thunderbird to Ofice365 second software

Demo Limitations

Trial of both the above products allows to export only 20 items per folder and saves them into Office 365 account

System Specifications

Hard Disk Space
Minimum 100 MB space is needy for installation

Around 2 GB of RAM is recommended

Intel® Pentium 1 GHz processor (x86,x64) or equivalent


  • Windows 10, 8.1, 8, 7, XP, Vista and below.
  • Internet Connectivity for direct Thunderbird export to Office 365
  • Valid Office 365 Account (Admin or user)

Supported Editions

  • Supported Plans: Office 365 Enterprise, Office 365 Business Premium, Exchange Online, Office 365 Business Essentials

Note : Admin account of Office 365 Webmail must be used for Admin Account Migration

Electronic Delivery

The delivery of the program is automated. You will get an email with the download link and the product activation details with in few minutes after the buy.

Working Guide

Different Techniques and applications are exist for Thunderbird export to Office 365 cloud database, but Outlook Web App does not give option to move Thunderbird mailbox to Exchange Online. Therefore, users must go with the Thunderbird to Office 365 Tool that allows efficiently transfer Thunderbird files to O365 account.

Tool to Export Thunderbird files into PST -

To achieve Thunderbird migrate to Office 365 process, first you need to extract MBOX files from Mozilla Thunderbird and then import the extracted MBOX files into PST. After that you can upload the resultant PST Files into Exchange Online account. Follow step by step process in detail that is mentioned below:

Step 1 - Extract MBOX files from Mozilla Thunderbird.

First of all, move all the MBOX files from Thunderbird application to save them into Office 365 Webmail. To get Mailbox files from Mozilla Thunderbird app, visit here -

Thunderbird files location

Step 2 - Download & Install the software

Download, Install, and Launch the software on your Windows screen -

launch software

Step 3 - Load Thunderbird Files for Conversion

Step 4 - View Selected Thunderbird Files

Step 5 - Select Save Attachments option

Step 6 - Press on Export and select PST as Output Format

Step 7 - Conversion Start with Progress Status Bar

Step 8 - Conversion Accomplished

Software to Transfer Resultant PST into Outlook Web App

Now for moving Thunderbird emails into Office 365 OWA account, users will need to Import the resultant PST files from the above process to Outlook 365. To save your resultant PST files into O365 account, first Download PST to Office 365 software and then follow the complete step by step process..

Import Resultant Files in Office 365
For Single User

launch the converter

Import Resultant Files in Office 365
For Multiple Users

choose option

View Complete Process »

Some Related FAQs about the Thunderbird to Office 365 Migration

We have an extensive range of clients who current using our Migrate to Office 365 Solutions

No, the software is a stand-alone application that has no need to install Mozilla Thunderbird or any supported application to connect Thunderbird to Outlook Web App account.

No, the software is only supportable with Windows Operating System. You can use this software on Windows 10, Windows 8.1, Windows 8, Windows 7, Windows XP, and all previous versions.

It provides very simple and reliable process for conversion and for that you need to first convert Thunderbird files in PST format and then you can import converted PST files into Exchange Online without any error.

Yes, throughout the selection of Thunderbird .mbox files, you can choose specific Thunderbird files into Office 365 account.

Yes, the tool offers date filter option throughout Thunderbird export to Office 365 process, which helps to save files with an accurate timing form.

Yes, during the conversion, it offers Thunderbird files migration details with green progress status bar.

Yes, the package approaches as the combo of two software’s. MBOX Files to PST Converter supports migration of single as same as multiple Thunderbird MBOX files to single PST files. And using PST to O365 utility, you can transfer multiple PST files to specific user accounts in Outlook Web App admin account by using Application Impersonation option.

Purchase Thunderbird to Office 365 Bundle

Buy registered license of Thunderbird migrate to Office 365 Tool and connect Thunderbird emails to Outlook Web App with full featured option and without any restriction.

Technical License

Bundle Thunderbird to Office 365


Buy Now100% Safe & Secure

100% Safe & Secure

Enterprise License

Bundle Thunderbird to Office 365


Buy Now100% Safe & Secure

100% Safe & Secure

Suggested: Please try our demo before purchasing the full edition of the program.


You may also be attracted in These Related Products...

mailbox MBOX email to Office 365

Lotus Notes to Office 365

Download Lotus Notes File to O365 Migrator to export Lotus Notes Database into Office 365 OWA account. Read More...

mailbox MBOX email to Office 365

Outlook to Office 365

Download Outlook to Office 365 Migrator to Convert Outlook files into O365 Webmail account. Read More...

migrate mailboxes to Office 365

Windows Live Mail to Office 365

Download Windows Live Mail to Office 365 Migrator to save WLM Emails into Exchange Online. Read More...