There is a large number of users who want to convert Thunderbird emails to MSG format but don’t know how to do it. To provide a solution to this query, we have written this blog. In this blog, we have explained an automated method to save Thunderbird to MSG format without data loss.
Overview
Mozilla Thunderbird is a free open source email client that is supported on any operating system, like Windows, Linux & Mac. Thunderbird can configure various webmail services using IMAP/POP3, like Gmail, Yahoo Mail, Outlook.com, Office 365, AOL Mail, Zoho Mail, etc.
Microsoft Outlook is one of the email clients that supports MSG files. Outlook, with its advanced features, advanced security and easy-to-use graphical interface, is attracting many users to use it.
Therefore, to help users migrate emails from Mozilla Thunderbird to Microsoft Outlook, we have written this blog. In this blog, we have explained an automated method that will convert Thunderbird mailboxes to the MSG file format that can be opened and viewed in Microsoft Outlook.
User Query: I have been using Thunderbird for five years, and now I want to use Microsoft Outlook. Before that, I want to migrate all emails from Thunderbird to Outlook with all data. I need to export Thunderbird emails to MSG format and import the MSG file into Outlook. Can anyone suggest me error-free and bug-free automated method that can do this conversion?
Automated method to save Thunderbird to MSG
The error-free and bug-free automated method is the eSoftTools Thunderbird to Outlook PST converter software. With this tool, users cannot only export Thunderbird mailboxes to MSG, but also to other file formats like EML, EMLX, HTML, PST, and NSG. Moreover, this tool allows users to migrate Thunderbird mailboxes to cloud applications like Gmail, Yahoo Mail, Office 365 and IMAP email accounts.
Key features
- Different options of MBOX file adding options are available- Select MBOX file, Select MBOX folder and Auto-load Thunderbird profile.
- Exports Thunderbird emails to MSG and other file formats in bulk.
- Provides two options to export Thunderbird mailboxes to PST- Single PST for all mailboxes, Separate PST for each mailbox.
- Preserves email formatting, email header and attachments during conversion and migration.
- Folder hierarchy is maintained during conversion and migration.
- It has an amazing feature of email filtering that helps in filtering emails according to Date.
- Without an Outlook installation, it converts Thunderbird mailboxes to PST and MSG format.
- Can add unlimited number of MBOX files to the software without any restriction.
Also Read: How to Export Thunderbird Emails to EML Files Quickly?
Steps to save Thunderbird to MSG
- Download, install and launch eSoftTools Thunderbird to Outlook PST converter software on your system.
- Press the Add File/Folder button on the menu bar, and the conversion window will open.

- From the list of options available, select the Auto-load Thunderbird profile option by clicking the radio button or select other options if you know the MBOX file location on your system.

- Click the Next button, and all files and folders of the Thunderbird profile mailbox will be loaded into the software.
- Preview of all files & folders will be displayed, and choose the needed files & folders that are to be exported.

- Click the Convert MBOX button, and a new conversion window will open.
- Select the Conversion option as MSG by selecting the radio button.
- Apply the Mail filter according to your requirements and provide a saving location where you want to save the MSG file.

- At last, click the Convert button, and the conversion process of Thunderbird mailbox to MSG format will start.
Conclusion
In this blog, we have explained an automated method step by step to convert Thunderbird mailboxes to MSG files. An automated method is beneficial if you want to convert Thunderbird mailboxes to MSG files in bulk. We have provided the demo version in which 25 data items from each folder of Thunderbird mailboxes are converted to any other file formats. If you are satisfied with the working of the software, then you can purchase the full license of the software.
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