How to Sync Google Calendar With Thunderbird

This article explains how to sync Google Calendar with Thunderbird using the Provider for Google Calendar add-on. This process should work with any version of Thunderbird (newer than 52.0) running on any platform.

Install Provider for Google Calendar 

Do you depend on Google Calendar but don’t want to leave your Thunderbird email client to view it? You’re in luck because with Mozilla's Provider for Google Calendar add-on, Google Calendar can sync to the email client with both read and write access.

The first thing you have to do is download Provider for Google to allow bidirectional access to Google Calendar.

1. Open your web browser and navigate to the Provider for Google Calendar web page.

2. Click Download Now.

3. Save the file to your Downloads directory.

4. Open Thunderbird and click Menu (three lines) Add-ons and Themes.

   
   

5. Click Extensions.

6. Click the Settings (gear icon) drop-down, and then click Install Add-on From File.

7. Navigate to the Downloads directory and select the newly downloaded file.

8. Select Add to confirm that you want to add Provider for Google Calendar.

9. The Provider for Google Calendar extension is now enabled.

10. Select the extension to see its details or to set preferences and permissions.

How to View Your Google Calendar in Thunderbird

You're now ready to set up your Google Calendar to sync with Thunderbird.

1. On your Thunderbird inbox page, select the Calendar icon.

2. Select New Calendar (plus sign).

3. Select Google Calendar, then click Next.

4. Enter your email address and select Find Calendars.

5. Provider for Google will prompt you to give permission to access your Google account with the email you previously entered. Select Next to continue.

6. Enter your Google account password and click Sign In.

7. Select Allow to give Provider for Google Calendar permission to access your Google account.

8. Select the calendar and task lists you'd like to subscribe to and click Subscribe.
   

9. Your Google Calendar or calendars are now available to view on your Thunderbird Calendar page. Select a calendar to view its contents.