Tips & Tricks

Know How to Synchronize Thunderbird Address Book with Gmail Contacts

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Do you know how to sync Thunderbird contacts with Google account? Is it really possible to access Thunderbird Address Book in Google account? Mozilla Thunderbird is one of the popularly used desktop-based email application. It is used by most of the organization for exchange information within the organization via email communication. But sometimes users need to access contacts of Thunderbird at home also. So, they want to synchronize Thunderbird Address Book with Gmail contacts. Hence. In this blog, we have discussed the solution for the same that one can use in a seamless manner. Before going to the solutions to access Mozilla Address Book in Gmail account, let us read this user query regarding similar issue:

Hello,Guys, I am using Gmail as my professional account from last few years. Now, one of our employee has left the organization and I have to take the charge of his responsibilities to contact our clients. Now, what I want is to add Mozilla Address Book in my Gmail account. Is there a quick and trouble-free way to sync Thunderbird contacts with Google account?

Manual Method to Synchronize Thunderbird Address Book With Gmail Contacts

To access Mozilla Thunderbird Address Book in Gmail application also, a user needs to move all contacts from Thunderbird to Gmail. Now, to do this there is no direct solution. It needs to perform in two different parts i.e.,

  • Export Thunderbird Address Book to CSV
  • Import CSV to Gmail Account

Step 1: Export Thunderbird Address Book CSV Format

Now, to do this in a proper way, follow the stepwise instruction mentioned below:

  1. Open Mozilla Thunderbird application on the local machine
  2. After that, from the top of the Windows, click on the Address Book option
  3. Thunderbird Address Book windows will open in front of you
  4. Then, go to Tools option and click on the Export button
  5. Now, choose the Comma Separated (System Charset) as a Save as type
  6. After that, provide file name of your choice in File Name field
  7. At last, click on the Save button and complete the export process

Step 2: Import CSV to Gmail Account

This is the second step to synchronize Thunderbird Address Book with Gmail contacts. After exporting Thunderbird Address Book successful to CSV format, it’s time to import it to Gmail/Google account. Follow the steps discussed below:

  1. First of all, login to your Gmail account via accurate credentials
  2. After that, on the top left corner, click on the Gmail button
  3. Now, from the list, choose Contacts option
  4. Click on the Import Contacts… option from left pane of the Gmail screen
  5. Then, click on Choose file button and browse the CSV file that you have exported from Thunderbird
  6. After choosing the desired CSV file to import, click on the Open button
  7. Now, click on the Import button to start the importing process
  8. When the Thunderbird Address Book to Gmail Contacts import process completed successfully, a message will pop-up. Click on the OK button

Drawbacks of Manual Method

The manual method to export Thunderbird Address Book to CSV format is not a reliable approach to perform. However, it has some limitations like it can import an only limited number of contacts via manual method. It is quite lengthy and in the case of a large number of contacts, it takes a lot of time. Moreover, if something wrong happens in between, then it might corrupt MAB file also of Mozilla Thunderbird. Apart from all this, data values might be missing in the case multiple numbers of contacts. There are chances of data manipulation also while using the manual method. Therefore, a user is advised to look for some alternative and perform the import process properly.

Effortless Solution to Synchronize Thunderbird Address Book With Gmail Contacts

As discussed above manual solution is not at all an easy approach to export MAB file to CSV format. Therefore, users sometimes look for an alternative approach for the same. MAB Converter tool is one of such applications that a user can try to export Thunderbird MAB file to CSV format. It is a simple tool with a user-friendly interface that anyone can use it without any hassle. It converts MAB to CSV format in such a manner that it does not corrupt Thunderbird Address Book. The utility allows a user to export Thunderbird contacts to CSV , VCF, PST, LDIF,  or vCard formats also. A user can easily use this software without having a risk of data loss on any version of Microsoft Windows OS.

Some of the major benefits of MAB Converter software

  • Capable to export Thunderbird Address Book contacts i.e MAB to CSV
  • Facilitate users to merge multiple MAB files into Outlook PST file
  • Provides 2 different options to export MAB file i.e., File & Folder mode
  • Provides both horizontal & vertical view of MAB file data before migration
  • Does not impose any file size limitation while MAB to CSV file conversion
  • Create a complete export report of MAB file in CSV format for future reference


Now, after going through the above write-up, one can easily access Mozilla Thunderbird Address Book in Gmail account. Keeping some of the user’s requirement in mind, we have discussed both manual and professional solution. As there is no direct manual solution available, it needs to be performed in two parts i.e., Thunderbird Address Book to CSV and Import CSV to Gmail. Now, to have a hassle-free solution, a user is also recommended to use a relevant third-party tool like MAB Converter. The tool easily exports MAB file to CSV format in just a few simple clicks. It has proved to be one of the tool used by most of the Mozilla users to synchronize Thunderbird Address Book with Gmail contacts.

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