SysInfo Thunderbird to Office 365 Converter

Convert and Export Thunderbird Emails to Office 365 and 7 Other Email Clients

  (Average Rating 4.5 Based on 1806 rating)
  • Converts and Uploads all the Thunderbird File Emails to Office 365.
  • Directly configures the Thunderbird Account and migrates emails to Office 365.
  • Exports All Thunderbird items to 7 Other Email Clients.
  • Compatible with all versions of Windows including Windows 11.
  • Thunderbird Installation is mandatory to perform the Thunderbird to Outlook 365 Conversion.

*SysInfo Thunderbird to Office 365 Converter is a Fully Secured Download Version.

Benefits of Thunderbird to Office 365 Converter

Explore the functionalities of the Best Thunderbird to Office 365 Conversion Tool.

Need for the Thunderbird to Office 365 Converter

Explore different scenarios when you should use the SysInfo PST to MBOX Migration Tool

When Thunderbird Account Space is Full

thunderbird

Thunderbird usually stores thousands of emails and sometimes that inbox gets full. In such a situation you will need the Thunderbird to Office 365 Converter to move all the emails from your Thunderbird account to your Office 365 account. All your emails will be moved to Office 365 and it will create space on your Thunderbird Account.

When a User Changes his Preferred Client

user

Sometimes when a user moves from one client to another then he needs an automated tool to move emails in bulk. Therefore, the Thunderbird to Office 365 Exporter Tool will be helpful if you are migrating from Thunderbird to Office 365 because it efficiently moves all mailbox items in bulk. Moreover, it imposes no file size limitations during migration.

Backup Outlook Emails in MBOX Format

migrate thunderbird to outlook

Thunderbird usually stores all emails in an MBOX file. So if you want to upload Thunderbird file emails to O365 then manually it is very difficult to do so. Therefore, the MBOX to Office 365 Migration Tool quickly uploads all emails from Thunderbird to O365. Additionally, the software automatically adds Thunderbird files if you have the Thunderbird Application installed on your PC.

Prominent Features of Thunderbird to Office 365 Converter Tool

Migrate Thunderbird to Office 365 securely with the top-notch features of the tool.

thunderbird to office 365

Exports Thunderbird Emails to Office 365

Sysinfo Thunderbird to Office 365 Migrator easily exports all the mailbox items including Inbox, Calendars, Tasks, and attachments to Office 365 without any data loss. You can even migrate large Thunderbird Mailboxes to O365 with the help of this tool.

thunderbird to email clients

Migrates Thunderbird Emails to 7 Other Clients

The Thunderbird to Office 365 Converter quickly export Thunderbird emails to Outlook 365 and other email clients as well. There are 7 different email clients to which you can migrate Thunderbird emails and they are Gmail, Yahoo, iCloud, AOL, IMAP, Hotmail, and Zoho Mail.

safely convert

Safe and Reliable Thunderbird to Outlook Conversion

This software is 100% safe and secure to download and you can perform the conversion without any data loss. It exports every single item from your Thunderbird Mailbox to Outlook 365 and assures full conversion.

no file size limitation

Imports Thunderbird Mailbox of Any Size

There is no size limitation for the Thunderbird Mailbox. You can add and export large Thunderbird Mailboxes to Office 365 with a high conversion speed. The chances of data loss during conversion are minimal.

date filter

Mail Filter Option is Available

If you want to migrate only selective emails on the basis of date then you can use the Mail Filter feature of the Thunderbird to Outlook Converter Software. You have to select the Start and End date and this software will migrate emails received or sent only during the mentioned dates.

preview

Preview Thunderbird Emails

Before uploading Thunderbird Emails to O365, you can preview the emails and attachments of your Thunderbird Account. You can select the emails that you want to migrate from the preview panel and then move them to your Office 365 account.

remove duplicate mail

Remove Duplicate Emails

The Thunderbird to O365 Converter by SysInfo enables users to exclude duplicate files and folders from Thunderbird emails before conversion. To avoid duplicacy, choose the Remove Duplicate filter and criteria such as To, From, Subject, CC, Bcc, and Body.

remove attachments

Migrate Emails Without Attachments

The software provides an option to Migrate or Backup Emails Without Attachment Files when performing Thunderbird to Office 365 Migration. Moreover, it also has a Custom Folder Name filter to provide a unique name to the resultant folder for quick access.

user friendly

Self-Intuitive Interface

It’s difficult for many non-technical users to run software but the Self-Instructive GUI of this software has made the Thunderbird to Office 365 Conversion easier for them.

thunderbird

Thunderbird Installation is Needed

This software automatically adds the MBOX file from the path where the Thunderbird Application stores it. Therefore, Thunderbird needs to be installed to use this software.

free

The Free Version is Available

Thunderbird to Outlook 365 Converter has a demo version that can be downloaded free of cost. If you want to evaluate the performance of this software then download the Free Thunderbird to Office 365 Converter and convert 50 emails per folder for free.

compatible

High Windows Compatibility

The Thunderbird to Outlook 365 Exporter is highly compatible with all versions of Windows including Windows 11. There are some earlier versions as well like Windows 10, Windows 8, Windows 7, and many others on which this software can be used easily.

Software Specifications

Check out the Specifications of the Thunderbird to Office 365 Exporter for ease of working.

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About Product
Version: v23.4
License: Multiple User
Edition: Single, Admin, Technician & Enterprise
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System Requirement
Processor: Intel® Core™2 Duo E4600 Processor 2.40GHz
RAM: 8 GB (16 GB Recommended)
Disk Space: Minimum Disk Space 512 GB
Supported Windows: 11, 10/8.1/8/7/, 2008/2012 (32 & 64 Bit), and other Windows versions.
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Additional Information

Steps to Upload Thunderbird Emails to Office 365

Here are simple and easy steps to transfer your Thunderbird data to O365 without hassle

Awards and Reviews

SysInfo's Award-Winning Software, Highly Rated by Experts in the Best Category

Google
  4.2/5
Trustpilot
  4.8/5
capterra
  4.8/5

SysInfo Thunderbird to O365 Exporter Trial Version & Full Version Comparison

Compare the Features of Thunderbird to Office 365 Converter Full Version and Demo Version.

Product Features Free Version Full Version
Imports Thunderbird Mailboxes to Office 365 with Attachments 50 Emails Per Folder All Emails
Exports Thunderbird Emails to Gmail, Yahoo, Hotmail, IMAP, Zoho Mail, iCloud, and AOL 50 Emails Per Folder All Emails
Preview Emails and Attachments before Conversion
Date Range Filter (Mail) Option
Removes Duplicate Emails during conversion
Custom Folder Name and Exclude Attachments Filter
Maintains Data Integrity in the Office 365 Account After Conversion
24x7 Technical Assistance and Sales Support
100% Safe and Reliable Conversion
Money-Back Guarantee

Frequently Asked Questions

Clear all your doubts related to Thunderbird to Office 365 Importer through the FAQ section below.

Ans: You can follow the steps given below to convert and export Thunderbird emails to Office 365 account:

  1. Download SysInfo Thunderbird to Office 365 Converter and Launch it.
  2. The software will automatically configure your Thunderbird Account.
  3. Then click on the Next Button to continue to preview all Thunderbird emails.
  4. Mark the emails that you want to migrate to Office 365 and click on Next.
  5. In the saving client choose Office 365 and login through modern authentication.
  6. After Authentication, click the Convert button and all your Thunderbird emails will be migrated to your Office 365 account.

Ans: The demo version of this will only migrate 50 emails per folder and it is available for performance evaluation. The full version of this software doesn’t have any such limitation and you can migrate any number of emails from Thunderbird to Office 365.

Ans: No, Office 365 doesn’t support MBOX files and you can import the file to your account. Therefore, you will need the Thunderbird to Office 365 Conversion tool to transfer emails to Office 365.

Ans: No, there is no limitation for the mailbox size because the Thunderbird to Office 365 Conversion Tool can migrate mailboxes of any size to O365.

Ans: You can follow the steps given below to migrate emails from Thunderbird to Outlook 365:

  1. Download and Install the Migrator for Thunderbird to Office 365.
  2. The software automatically fetches the Thunderbird File emails.
  3. Mark the emails that you want to migrate to Outlook 365.
  4. In the Save As option, choose Office 365.
  5. Finally, authenticate the Outlook 365 login process and click on the Convert button.
  6. All your emails will be migrated from Thunderbird to Outlook 365.

Ans: Having Thunderbird pre-installed on your system is essential for a smooth, secure, and quick conversion of Thunderbird emails to Office 365.

Ans: Yes, you can easily download and run this tool on Windows 10 or any other version of Windows 0S. It works well for the latest Windows 11, and all other earlier versions too such as 8.1, 8, 2003, XP, Vista, etc.

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