3 Best Ways to Remove Duplicate Contacts Thunderbird Quickly

Summary: This guide explains all proven ways to remove duplicate contacts Thunderbird quickly. Many users have switched to Thunderbird email client for managing their data, such as emails, contacts, and other data. This became priority for all businesses and organizations to handle data because it is a free open-source client.

Sometimes, it becomes difficult to handle Thunderbird contacts when same name, email ID, and phone number occur several times. These duplicates can easily make their organized address book into cluttered one, resulting in confusion between some contact entries.

So, if you are also looking for reliable solution to delete Thunderbird duplicate contacts, then this article will help you to fix it using secure manual and automated methods. Also, it will help one to make their address book clean and enhance contact list efficiency.

If any user wants to deduplicate Thunderbird contacts, then use these simple steps mentioned above. Let’s understand these steps more in detail.

Recommended: Use Dedicated tool to Remove Duplicate Emails in Thunderbird

Step-1: Go to Thunderbird Profile

1. Open your Thunderbird and copy its profile location.



2. Navigate to Thunderbird profile path. Look at its path:



3. After navigating, search for .sqlite data file for deduplication.

1. Download and run the aforementioned tool developed by SysTools.



2. Press Add file and folder feature to upload SQLite contact file saved in Thunderbird profile location.



3. Select Location path to save cleaned and resultant data file.



4. Choose Dual Mode for deduplication of contacts, that is, within and across folders.



5. Select Action option, such as Delete Permanently or Export Duplicates to Separate File.



6. For more particular cleaning, choose advanced properties options like Name, Email Address, Phone Number, etc.



7. Lastly, click on Remove Duplicates button to remove duplicate contacts Thunderbird.

Step-3: Import Cleaned Thunderbird Address Book

1. Launch your Thunderbird again and press Tools option.



2. Click on Address Book tab and navigate to Import feature.



3. Choose SQLite Database File option for importing and click Continue button.



4. Select your deduplicated address book file stored in chosen location path and open selected contact file.



5. After that, create a new directory and name it according to your choice, and tap continue.



6. Finally, press Start import option to add cleaned contacts data to your Thunderbird.

Step-4: Preview and Delete Old Contact File

1. Now, one can check all data that is uploaded completely.



2. Delete old duplicate contacts address book in Thunderbird.



3. User can open new address book and preview all contacts available.



4. One has to confirm that no redundant contacts are present.

Method 1: Delete Duplicate Thunderbird Contacts

This is very simple and free way to remove Thunderbird duplicate contacts. Follow these steps listed below:

1. Open your Thunderbird client
2. Go to Tools and press Address Book feature.
3. Look for repeated entries and compare with their details.
4. Select all other contacts and bulk delete them.

Method 2: Export Contacts and Remove Them

One can also export them and manually change these duplicates.

Steps to follow:

1. Launch Address Book tab.
2. Export contacts into CSV, VCF, or LDIF contact file format.
3. Open your file in Excel or Spreadsheet.
4. Search for duplicate contacts and remove rest of them.
5. Finally, import cleaned file back into Thunderbird.

Conclusion

In this article, we have discovered all possible ways to remove duplicate contacts thunderbird address book. We all know that these repeated contacts can make your Thunderbird mailbox cluttered, which becomes hard to handle. However, one can easily delete them using both automated and manual methods.

Additionally, if you are dealing with small contact list having duplicates, then free manual methods can effectively help to delete duplicate contacts Thunderbird. However, if working with large files, then we recommend using trusted software by SysTools, which can result in clean address book list.