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Import Thunderbird Contacts to Outlook – The Ideal Solution for Mac

Jamie Kaler   Contribution
Rollins Duke
Rollins Duke  Approved By
Published On December 26th, 2023 • 5 min read

Tired of searching for a solution to import Thunderbird contacts to Outlook accounts, then read this article. Get any method from here as per preference. 

Outlook has recently become the most used platform for users to communicate. It has attracted people with its rich interface, valuable features, and extraordinary security settings for users. Though Microsoft charges for Outlook, still it managed to become the prominent and mainstream Email Client. Outlook provides features like email management, contacts, calendars, etc. Thus, it is preferred by many people to manage the same. 

Thunderbird is also one of the top Email Clients which is used by many professionals and students to communicate. But if you want to import Thunderbird Contacts to Outlook, you must know the right technique to do that. So here we provide reliable techniques to do so on your Mac System. 

Need to Transfer Thunderbird Address Book to Outlook

Users Import Thunderbird Contacts to Outlook for many reasons, here are a few of them: –

  • Performing tasks on Outlook is comparably easier than that on Mozilla Thunderbird. 
  • Outlook provides rich features and it is accessible on every platform which may not be possible with Thunderbird. 
  • Outlook allows you to configure multiple email accounts within a single interface. 
  • The Outlook application is flexible and manageable as compared to Thunderbird. 

Use the Most Appropriate Tool – Import Thunderbird Contacts to Outlook 

The Manual Method is very tedious and time-consuming, and it may also feel difficult to follow the procedure. The technicality obstructs people from performing the whole task. To overcome this we have, a MacUncle Thunderbird Converter

This tool will directly import Thunderbird Contacts to Outlook on Mac. The software maintains your folder’s hierarchy as it was before the conversion. It offers advanced features to even opt for selective contact import, or you can go for bulk conversion. The choice is yours. 

Just download and install it, and you can avail of free import of up to 25 Thunderbird files to Outlook. Also, read the article to export Thunderbird Emails to Apple Mail.

Procedure to Run the Software to migrate Thunderbird Address Book to Outlook

Follow the steps to run the application smoothly on your Machine: –

  • Step 1. Start the Software to import Thunderbird contacts to Outlook.
  • Step 2. Now select Convert Contacts & Calendars
  • Step 3. Then select either of the options given as shown in the figure. 

choose any of the options to import thunderbird contact to outlook

  • Step 4. Now start uploading Thunderbird files using Add File (s) or Add folder (s) if you have selected let me select my Thunderbird Mailbox data.
     Import Thunderbird to Outlook using the tool
  • Step 5. Then choose the Thunderbird folder for conversion and click the Next button. Choose contact folder and import to Outlook
  • Step 6. Then choose the CSV file format from the list and the Destination path. Finally, press the Export button. Choose CSV option to Import Thunderbird Contacts to Outlook

    Import Thunderbird CSV Contacts to Outlook

    Now follow the steps to import the converted CSV files to the Outlook account. Here are the steps to follow: –

    1. Open your Microsoft Outlook Account. 
    2. Go to the File menu, and select the Open & Export>> Import/Export button. 
    3. Now choose Import from another program or file and press the Next button. 
    4. Then select the Comma Separated Values and then press the Next button. 
    5. Choose the appropriate options, if required by you. Then click on the Next button. 
    6. Select the Destination of Outlook to import the Thunderbird Address book and hit the Next button. 
    7. Click on the Map Custom fields button & correct the relations between Thunderbird and Microsoft Outlook contact fields. 
    8. Now finally press the Finish button to start the process of importing the address book to Outlook. 
    9. It will take time to complete the process. 

    The process is over and you have successfully migrated. 

    Traits of the Software to Export Contacts from Thunderbird to Outlook

    Here are some of the extraordinary features of the Tool which you can experience:-

    • The application is very user-friendly and can be accessible by every individual operating. 
    • You can selectively choose specific folders using the Advanced Filter option from the tool. 
    • The software doesn’t hamper your data; it preserves the originality of the folder. 
    • Flexibility in choosing the Destination path and file naming conventions. 


    The above write-up explains the necessity to Import Thunderbird Contacts to Outlook on Mac. Then we provided the Automated Solution. As the manual method comes with various loopholes, so to overcome we have recommended the software here. This tool offers free conversion of up to 25 Thunderbird contact files. So any user can easily experience its working and operations. 


    Q) How to export emails from Thunderbird to Outlook?

    A) To export emails user needs to select the option beforehand. And then easily import the files to MS Outlook.

    Q) How to mass add Thunderbird addressbook to MS Outlook?

    A) With the software mentioned here we can export multiple contacts from Thunderbird to Outlook at once.