How to Open MSG File in Thunderbird Email Client?

Rollins Duke   
Published: May 11th, 2024 • 6 Min Read

In this era of technology, most of the individuals use Outlook and you have decided to move to save money by utilizing a free email client – Smart decision!

But, How do you view important MSG emails if you don’t have Microsoft Outlook installed on your computer?

Well, Download MSG Converter Software is the right choice for you to accomplish this task. This software will perfectly open MSG files in Thunderbird without Outlook. The tool comes with a straightforward approach and directly open MSG file in Mozilla Thunderbird.

The user who uses email clients already knows that MSG is a common email file of MS Outlook. Whenever a single message is dragged and dropped to the desktop location, one MSG file is created. Now, a big dilemma arises that what if when the users want to open Outlook MSG file in Thunderbird. The right answer to this question has been explained in this write-up. Before discussing the solution, let’s take a glance at one of our client’s queries:

Hi, I am a complete novice user of Thunderbird, and like other individuals, I’m switching from MS Outlook after so many years. I’ve saved probably 1000 Outlook emails to my hard drive in MSG file format. Now, I have a question in my mind that has been causing a great deal of anguish. I am shifting my office and I don’t have Outlook installed on my new system. However, those Outlook emails are very crucial for me. So, I have decided to move to Thunderbird email client as it is freeware and open-source software. Now, I want to open MSG file in Thunderbird but, spent a week learning the manual basics to do so. No solution has impressed me so far! Is there any reliable utility that will help me? If there is one, please suggest me asap.

– Wilson, Germany

The correct approach to open .msg file in Thunderbird has been explained in simple steps in the following section.

Download for Windows     Download for Mac

How to Open MSG File in Mozilla Thunderbird?

Follow these steps to continue

  1. Run the software on Windows OS and Choose Outlook MSG files.
  2. Check file preview of MSG emails to analyze the conversion.
  3. Select Thunderbird as saving format from the utility.
  4. Press on the Convert tab to start to open MSG file in Thunderbird.
  5. Lastly, Start Thunderbird application to open messages.

How to Open .msg File in Thunderbird?

There are situations when users don’t have Outlook with them. In that case, MSG files can’t be opened easily. So, you need an authentic product to open MSG files in Thunderbird. Just follow this process and you will get to know the complete information.

Firstly, download the setup file of the software to start the process. Install & Run it properly on your Windows machine.


Then, choose single or multiple MSG email files from the database.


Thereafter, analyze the preview of Message files with attachments before moving towards the next step.


Navigate towards the saving formats provided in the GUI and pick Thunderbird as the file saving format.


Now, Enter a target path where you want to save the resultant output data.


Hit on the Convert tab to start the process. Once the Conversion is done, the tool will show this message on the screen “Conversion Completed Successfully”.

After file migration, the software will automatically show the default storage location where your MSG emails are saved.


Lastly, Start the Thunderbird email client and open imported messages.


Limitations of Manual Method

Once you have decided to open MSG file in Mozilla Thunderbird and trying to do so with manual approaches, it becomes a tough task! Users face multiple issues when they want to open MSG file in Thunderbird using Manual methods.

  • Both MS Outlook and Thunderbird email clients are required to do the file conversion.
  • The entire conversion process is quite lengthy and time-consuming.
  • Sometimes MSG file with their respective attachments is not converted during the process.
  • The standard solutions do not guarantees 100% accuracy and safe data migration.
  • These manual tactics are helpful when there are countable MSG files for moving into Thunderbird.

So, in order to overcome these limitations, an alternate professional solution is the right path if you don’t have Outlook with you. The most helpful part of this software is that you don’t need to require Outlook to open MSG files in Thunderbird. It will smoothly and swiftly open .msg in Thunderbird within seconds.

Advantages of Software

This tool offers a bunch of useful benefits to its users. Some of them are described below:

  1. The software offers dual options to upload multiple messages in a single go.
  2. It is an advanced product and does not require MS Outlook to open MSG files in Thunderbird.
  3. The tool does not impose file size restrictions to open MSG files in Mozilla Thunderbird email client.
  4. The software comes with a Simple and Easy Graphical User Interface to achieve file conversion.
  5. It imparts the fastest migration speed during the process to open .msg file in Thunderbird.
  6. It supports .msg files exported from Outlook 2019, 2016, 2013, 2010, 2007, and all.

Download Free Demo Version of Software

This software has an advantage as it comes with a free demo edition. Yes! Now, you can avail of this opportunity to open a few of your MSG emails in Thunderbird without paying anything. You can download the utility from the official website. This allows us to convert the first 25 messages from each folder and later you can open MSG file in Thunderbird. Once you have interpreted the software, then you can purchase the full pro version of the software and enjoy its smooth unlimited file migration.

Final Words

There are two techniques to open MSG file in Mozilla Thunderbird with or without Outlook existence. However, it is highly requested to trust the best workable solution. For this, you can work with the above-mentioned software and procedure to open Outlook MSG file in Thunderbird. Since data integrity is our top-most priority, thus, this tool provides a complete assurance to meet up with customer demands. If still, you have any further queries, you can contact to our technical support team which is available for you 24*7.