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How to sync your Google Calendar with Thunderbird on macOS X.

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Best answer

Prepare Thunderbird
1st step:
2nd step:
3rd step:
4th step:
5th step:
6th step:
Import Google Calendar into Thunderbird
1st step:
2nd step:
3rd step:
4th step:
5th step:
6th step:
7th step:
8th step:
9th step:
10th step:
11th step:
Quick guide: Prepare Thunderbird
Quick guide: Importing Google Calendar into Thunderbird

If you want to import your Google Calendar into Thunderbird under macOS, just follow our step-by-step instructions..

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You have the option of synchronizing your online Google calendar with Thunderbird. This gives you access to your Google Calendar without having to log into your account in the browser. Before you can import the calendar into Thunderbird, you have to install the two add-ons "Lightning" and "Provider for Google Calender". In the following we will show you how to download the add-ons and how you can then synchronize your Google calendar:

Prepare Thunderbird

Follow our step-by-step instructions or take a look at the brief instructions .

1st step:

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First you open Thunderbird and click on " Extras " in the menu above and select " Add-ons ".

2nd step:

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A new tab will now open in Thunderbird and you will be taken to the add-ons management. Click on " Extensions " in the menu on the left .

3rd step:

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Now enter " Lightning " in the search field at the top right and confirm with [ Enter ].

4th step:

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From the search results displayed, look for the Lightning add-on and click on " Install " to the right of it .

5th step:

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The add-on will now be downloaded.

6th step:

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After the add-on is downloaded, you will be prompted to reload Thunderbird . The add-on is then installed.

Import Google Calendar into Thunderbird

Follow our step-by-step instructions or take a look at the brief instructions ..

1st step:

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After you have installed the two add-ons, the item " Appointments and Tasks " will appear in your Thunderbird menu bar . Click on it and select " Calendar " with one click.

2nd step:

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Right-click in the calendar list in the left column and select " New calendar ... ".

3rd step:

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Now a small window will open. There you have to decide where your new calendar should be saved. Select " In the network " to integrate your Google calendar into Thunderbird. Then click on " Continue ".

4th step:

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You will now be redirected to a new window where you can choose which external calendar you want to access. Select " Google Calendar " there and confirm your entry with " Continue ".

5th step:

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Now enter your Gmail address in the input field that appears and confirm again with " Continue ".

6th step:

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Now log into your Google account with your email address ...

7th step:

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... and your password .

8th step:

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You will now be shown that " Provider for Google Calender " wants to access your Google calendar and your tasks stored there. Confirm by clicking on " ALLOW ".

9th step:

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Then you can choose which of your Google calendars you want to import . Simply tick one or more calendars by clicking on them. Confirm your entry one more time with " Continue ".

10th step:

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Just click on " Finish " and the process is complete.

11th step:

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Your Google calendar has now been imported into Thunderbird and will appear in your calendar list on the left .

Quick guide: Prepare Thunderbird

  1. First you open Thunderbird and click on " Extras " in the menu above and select " Add-ons ".
  2. A new tab will now open in Thunderbird and you will be taken to the add-ons management . Click on " Extensions " in the menu on the left .
  3. Now enter " Lightning " in the search field at the top right and confirm with [Enter] .
  4. From the search results displayed, look for the Lightning add-on and click on " Install " to the right of it .
  5. After the add-on is downloaded, you will be prompted to reload Thunderbird . The add-on is then installed.
  6. In addition to Lightning, you also need the " Provider for Google Calender " add-on . Proceed in the same way as for "Lightning" for the installation.

Quick guide: Importing Google Calendar into Thunderbird

  1. After you have installed the two add-ons, the item " Appointments and Tasks " will appear in your Thunderbird menu bar . Click on it and select " Calendar " with one click.
  2. Right-click in the calendar list in the left column and select " New calendar ... ".
  3. Now a small window will open. There you have to decide where your new calendar should be saved. Select " In the network " to integrate your Google calendar into Thunderbird. Then click on " Continue ".
  4. You will now be redirected to a new window where you can choose which external calendar you want to access. Select " Google Calendar " there and confirm your entry with " Continue ".
  5. Enter your Gmail address in the input field that appears and confirm again with " Continue ".
  6. A new window will appear, which you must now use to log into your Google account . You will now be shown that "Provider for Google Calender" wants to access your Google calendar and your tasks stored there. Confirm by clicking on " ALLOW ".
  7. Then you can choose which of your Google calendars you want to import. Simply tick one or more calendars by clicking on them. Confirm your entry one more time with " Continue ".
  8. Your Google calendar has now been imported into Thunderbird and will appear in your calendar list on the left . Just click on " Finish " and the process is complete.

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