Synchronize contacts & calendars (Thunderbird)

This guide explains how to set up synchronization of Infomaniak calendars, schedules, and contacts with Mozilla Thunderbird.

Synchronize Calendars and Address Books

Obtain Synchronization Information

Thunderbird will request information about your Infomaniak account, which you can obtain in the Infomaniak synchronization assistant:

1. Open the Infomaniak synchronization assistant.
2. Click on Manual Configuration
   
3. Copy the provided information:
   • Username (e.g., AB12345)
   • The URL (e.g., https://sync.infomaniak.com — or read below for an alternative URL)
   • The password (click the GENERATE button to create an application password if you have 2FA enabled)

To obtain a more elaborate synchronization URL (in case of issues):

1. Open the Infomaniak synchronization assistant.
2. Click the blue link Select a Device
   
3. Choose synchronization of type GNU/Linux:
   
4. Note the complete synchronization URL shown in point 4 of the assistant

Connect to a CardDAV Address Book

With the latest versions of Thunderbird, the synchronization of your Infomaniak calendars and address books is offered immediately after configuring your email address in the software:

Click on it; the configuration process begins:

1. Enter the username and synchronization URL (see above):
   
2. Thunderbird will then request the password (see above):
   

Once the authentication is successful, the application will display the address books, and you can choose which ones to synchronize.

Connect to a Remote Calendar

Add a new calendar in Thunderbird:

1. Select On the Network
   
2. Enter the username and synchronization URL (see above)
   

Once the authentication is successful, the application will display the calendars, and you can choose which ones to synchronize.

View Calendars and Address Books

Your events can be viewed by enabling the calendar from the Events and Tasks menu in Thunderbird.

Your contacts can be viewed by enabling the address book from the Window menu in Thunderbird.

Fix configuration issues with Thunderbird (email, contacts, calendars)