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How can I Convert Thunderbird Address Book to MSG?

Ankita | Modified: 2021-08-12T08:27:16+00:00|Technology | 5 Minutes Reading

First, consider the following user query of how to convert Thunderbird address book to MSG. Following to that, we will discuss the ways to resolve the problems faced by our clients.

Hi, I am writing this in the hope to get a solution to my issues regarding the MAB to MSG Conversion. It began when I decided to switch my platform from Thunderbird to Outlook. I took this decision because my company is moving to MS Outlook. Although, I know how to convert the Thunderbird emails but what really bothers me is how I can import Thunderbird contacts using losing them. Can anyone provide me a reliable and error-free solution for the same as I cannot risk it?

Just like this, we have received tons of user queries based on a similar issue that is how to import MAB Contacts to MSG format. Subsequently, we are here to help you out with a solution to convert Thunderbird Address Book to MSG format.

Why to Perform MAB to MSG Conversion

Before going any further, we will discuss the reasons because of which Mozilla Thunderbird users are migrating their contacts to Outlook MSG format. The next section provides you with such reasons.

  1. Mailing Features: It is a fact that Thunderbird is a free email client application that is used for mailing purposes. But, when we compare this with MS Outlook, it fails immensely. The business features offered by the former one are way too few as compared to the latter one.
  2. Personal Information Management System: Mozilla Thunderbird doesn’t offer the PIM clearly. On the other hand, it is quite straightforward in the MS Outlook application.
  3. Easy-to-use Interface: MS Outlook offers a systematic structure that makes it easier for the users to avail various functionalities on a single platform. It can be achieved effortlessly, thus it reduces a lot of time.

Convert Thunderbird Address Book to MSG – Multiple Workarounds

There are several methods that can be opted to perform MAB contacts to MSG conversion. Users have complete freedom to choose the one which suits their requirements and gives assured results.

#1. MAB to MSG Conversion – For Guaranteed Results

If you do not want to risk your data then, choose the SysTools MAB to MSG Converter tool. It is an error-free and handy utility, specially designed with advanced algorithms to perform the conversion in a hassle-free manner. Other than this, the team has worked on designing the graphical user interface which is self-explanatory. It offers accurate and fast results, without altering any of the information. In the adjacent section of the blog, we will elucidate the working steps of the application.

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How does the tool work?

Step 1. Download, install and run converter tool for MAB Contacts to MSG on your windows tool.


Step 2. Now, click on file/folder or Auto-detect folder storage location, at your convenience.

add file

Step 3. The files will be displayed on the software screen, once they are added. You can also switch the view from Horizontal to vertical and vice-versa.


Step 4. Then, click on Export in order to convert all the MAB Contacts. Also, you can go for the Export Selected button to only transfer specific MAB contact files to MSG format.


Step 5. After doing this, a prompt window will appear on your screen, from there click and choose MSG as the export type.

msg export

Step 6. The next step is to opt for the destination location of your choice. By default, the software sets the location as Desktop, however, you can change it anytime.

msg browse

Step 7. Lastly, click on the Export button to commence the exportation process.

mab to msg

Characteristics of Thunderbird Address Book to MSG Converter

  1. Offers auto-detection of MAB Contact files using the auto-detect folder storage location feature.
  2. Capable of converting abook.mab, history.mab, impab.mab and SQLite files.
  3. Selective conversion via export selected functionality.
  4. Previewing views can be switched from Horizontal to Vertical, or vice-versa.
  5. No file size restriction is imposed while adding to the software panel.

After this, we will have a look at the manual method to convert MAB contacts to MSG format.

#2. Manual for MAB to MSG Conversion

In the native approach users first have to convert the files into CSV format and then import it to MS Outlook. Users have to be very careful while performing these steps, as one step could lead to data loss. And the data once lost, cannot be recovered.

  1. Open the Thunderbird email-client application and click on the Address book button.
  2. On the new prompt window, click on Tools and then, Export.
  3. In the newly opened wizard, you will be relocated to the location where your CSV will be saved. Provide the desired name and expand the menu. From there click on Comma Separated (*.csv), and hit the Save button.
  4. After doing this, all your MAB Contacts are successfully converted into CSV format. From here convert the generated files into MS Outlook.

Shortcomings of the Solution

  1. The manual solution doesn’t offer the assurance that whether the data integrity and folder structure will be preserved or not. Also, there are high chances that the created CSV file will end up being blank because of some unforeseen technical error.
  2. Besides this, it is essential to have Mozilla Thunderbird and MS Outlook to be installed and properly configured on the machine.

The Bottom Line

Users can only opt for the manual solution if they have a less number of MAB contacts files as the limitations constraint by them cannot be neglected. Nevertheless, the automated solution is completely safe and secure, overruling all the cons of the manual method. Other than this, users can always download the free trial version without spending a single penny.

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