How Do I Import Contacts from Thunderbird to iPhone on Mac OS?

Bhawna Barwal | software technology | 4 minutes read | Last updated on May 22nd, 2025,

Searching for how do I import contacts from Thunderbird to iPhone? Then here you will be able to explore the correct strategies so stay here for a while. We know that Thunderbird is an open source email application and it runs on Windows, Mac Operating Systems. For an easy access of Thunderbird contacts in iPhone device, it is required to sync Thunderbird contacts to iPhone. Now let’ s get the clarity of the process.  

How to Import Contacts from Thunderbird to iPhone? – Manual Method Solution

Following are the simple steps to import Thunderbird address book files to iPhone:

Step1: Open and start Thunderbird email client on your computer system.

Step2: Now, select Address Book option.

Step3: In Address Book screen click on the Tools option.

Step4: Thereafter click on the “Export” option.

Step5: Now you can choose vCard or CSV option in Save As type option.

Now you have your Thunderbird contacts in CSV or vCard file format. Now it will be easy for you to export vCard files into iPhone via iCloud.

Does Manual Method Fit In Any Situation?

No, manual method does not fit in situations when your Thunderbird email client not working properly, then you have to fix your Thunderbird files and folder. And users may also face issues while converting multiple Thunderbird files into CSV or vCard with manual method. As the manual method is not feasible to handle batch conversion and users can lose their important data while converting batch files manually.

Precise Solution to Import Contacts from Thunderbird to iPhone

BitData Migration Mac Thunderbird Converter – It is a proper technique to import contacts from Thunderbird to iPhone. It is also a risk free method as it keeps your data safe while converting Thunderbird emails and contacts to iPhone. The tool is capable to move multiple data from Thunderbird profiles and mailboxes to CSV files in single round. This application provides 15+ saving options for example PST, PDF, CSV, DOC, Office 365, EML, Outlook.com, Yahoo, Gmail, MBOX, HTML, IMAP, TXT, and many more.

It is such an effortless mechanism to convert Thunderbird Address Book to iPhone that users can simply understand it with no tech-skill. The app preserves the contacts details of Thunderbird exact while converting. Users can launch this Mac Thunderbird Tool on all Mac Operating Systems for example Monterey, Big-Sur, Catalina, Big-Sur, Mojave, Yosemite, etc. And user can grab its free demo facility that enables to convert 25 emails from Thunderbird folder free of cost. 

How Do I Import Contacts from Thunderbird to iPhone on Mac? – Working Guide

Following are the complete step by step instructions to convert Thunderbird Address Book to CSV files:

Step1: Download, install Thunderbird Converter for Mac machine. Users can pick any option like emails, Address Book & contacts, calendars.

Step2: Now you can upload Thunderbird files using various options like convert configured Thunderbird mailboxes (This option helps to export configured mailboxes and helps to upload Thunderbird data automatically) and let me choose my Thunderbird mailboxes (It helps users to load files manually).

Step3: Add Thunderbird data using Add Files and Add Folder.

Step4: Then you can see the selected files on the screen.

Step5: Use Remove and Remove All options for deselecting unnecessary files.

Step6: Click on the checkboxes for selective Thunderbird files conversion. Move ahead clicking on the Next tab.

Step7: Choose required saving option like CSV.

Step8: Choose saving path accordingly and hit the Export button finally.

How to Access Converted CSV Files in iPhone?

  1. For this, open iCloud on iPhone and enable Contacts.
  2. And you can also go to Settings then iCloud and turn contacts on.
  3. Now, In your computer search for iCloud.com.
  4. Log in to your account entering details like Apple ID & password.
  5. Go to iCloud drive, once you sign-in there will be range of apps displayed click on iCloud Drive.
  6. In iCloud drive go to folder where the CSV gets saved or you can also create a new folder.
  7. Drag CSV file and drop it into iCloud Drive.
  8. You can click on the Upload tab, choose CSV file from your computer and click on Open.
  9. Once your files get uploaded you can view it on any device.

Read more:

How Do I Access Thunderbird Data in Android Device

Migrate Thunderbird emails to Office 365

Frequently Asked Questions

Can I run the suggested Mac Thunderbird to iPhone Tool on Mac OS Catalina?

Answer: Yes, the tool is compatible with all Mac Operating Systems versions for example Ventura, Monterey, Catalina, High-Sierra, Big-Sur, Yosemite, and many more.

Can I take a trial of Mac Thunderbird to iPhone Tool?

Answer: Yes for sure, it is permissible to convert 25 items of Thunderbird to CSV format without any charges. And also by applying few steps that are mentioned above users can migrate those converted CSV files in iPhone via iCloud.  

Let’s Sum Up

This blog is a complete guide on how do i import contacts from Thunderbird to iPhone. Here you get manual method and also a professional software to convert Thunderbird Address Book to iCloud. With above mentioned Thunderbird to iPhone Tool  you can simply convert Thunderbird data to CSV files  thereafter I gave you working steps that demonstrated how you transfer your converted CSV files into iCloud.com.