How to Import MSG to Thunderbird? Step-by-Step Guide
Jackson Strong | September 24th, 2025 | Data Backup, Mozilla Thunderbird
If you have MSG files and want to access them in Thunderbird Mail, no worries. This blog will guide you on how to import MSG files to Thunderbird using an instant method specially designed to facilitate the MSG file conversion process. So, keep reading and complete this task in just a few simple steps.
Thunderbird is an open-source email client and is widely popular. MSG files are created by Microsoft Outlook but are not importable in Mozilla Thunderbird. Due to technical differences and file format compatibility, it is quite complicated to open MSG file in Thunderbird. Despite knowing these facts, we have an automatic or professional solution.
How to Import MSG to Thunderbird in Bulk?
Download and install the Advik MSG Converter on your Windows PC. The software will help you transfer MSG files to Thunderbird with attachments. It has a dual mode to import multiple .msg files at once. With this tool, you can open MSG files in Thunderbird with header, hyperlinks, signature, message, and other email elements. The software is compatible with all Thunderbird versions, including the latest 115.
Click below and try the software. You can move 25 MSG files to Thunderbird for FREE.
Steps to Open MSG File in Thunderbird
Step 1. Run MSG to Thunderbird Converter in your PC.
Step 2. Click Select File to browse and add .msg files into software.
Step 3. After adding MSG files click Next button.
Step 4. Select Thunderbird as a saving option from the list.
Step 5. Click Convert button start transfer process.
The software will automatically detect your Thunderbird profile and copy Outlook messages into that account. All your MSG files will be copied in the Advik folder. The same will be available in your Thunderbird client. Once the transfer process get completed, the software will show a successful notification.
Watch How to Convert MSG to Thunderbird
Advanced Features of Automatic Solution
- Batch Export MSG File to Thunderbird: The software includes two dual options to add MSG file into the software interface. Users can also create a folder and store all the needed MSG files and load it into the application. In this way, users can import MSG file into Thunderbird in bulk.
- Multiple-Saving Options: The tool offers more than 30+ file formats to export MSG files such that you can convert MSG files to PST, EML, PDF, etc. Users can choose any of those formats as per their needs.
- Easy-to-use GUI: This application has been built with a user-friendly interface that can be easily used by even non-technical users also and help them to utilize it effortlessly.
- Maintain Folder Hierarchy: This tool can preserve and maintain the original hierarchy of the MSG mailbox folders throughout the email migration process.
- Wide Compatibility: Users can easily import MSG files into Thunderbird and other supported formats on any of the Windows Operating systems such as that it includes Windows 11, 10, 8, 7, XP, Vista, etc. Also, you can use the MSG file of all Outlook versions and import them into Thunderbird.
Final Words
Go through the article and learn an easy way to import MSG to Thunderbird directly. You can implement the desired solution and perform the process without facing any difficulties. You can download its free demo version which allows importing 25 MSg files. Once you test the tool’s efficiency, switch to the full pro version of the software.
Frequently Asked Questions
Q 1. Can Thunderbird open MSG files directly?
Ans. No, Thunderbird can’t open MSG files directly.
Q 2. Is it possible to import MSG files to Thunderbird in bulk?
Ans. Yes, the AdvikSoftware can upload MSG files to Thunderbird in batches.
Q 3. Will attachments be preserved during import?
Ans. Yes, when you use a reliable tool like Advik MSG Converter, all email attachments remain intact.
