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Manually Sync Contacts & Calendar (macOS) in CardDAV/CalDAV
This guide explains how to connect the desktop apps Contacts and Calendar (desktop applications on macOS) with the contacts & calendars hosted by Infomaniak.
Preamble
- Instead of the manual configuration below, it is recommended to use the .mobileconfig configuration profiles offered by Apple.
- Infomaniak contacts & calendars are linked to your Infomaniak account; when you log in to ksuite.infomaniak.com/contacts or /calendar you probably have to perform double validation (2FA) when logging in.
- In this case, an application password is required to establish synchronization between your device and Infomaniak tools.
- But don't worry, creating such a password is offered to you by following the configuration wizard.
- The various services offered by Infomaniak are all compatible with the corresponding standard protocols (CalDAV/CardDAV for contacts & calendars for example), therefore if you encounter a problem with third-party software, contact its publisher or a Partner and consult the support policy as well as article 11.9 of the Infomaniak TOS.
Manual configuration (contacts & calendars)
To configure the two accounts on macOS:
- Click here to access the Infomaniak configuration tool (online service https://config.infomaniak.com) β log in if necessary to your Infomaniak account on the Organization on which your email address is managed.
- Choose synchronization on this device.
- Choose to synchronize contacts & calendars.
- Click on Manual synchronization:

- Follow the procedure of the assistant, allowing you to:
- add a new account within the 2 applications (the account information can be reused and therefore be identical for the 2 services), for example Calendar:

- obtain the connection information, similar to this:
- Username: enter in uppercase the username indicated by the synchronization assistant (for example
AB12345)β¦ - Password: application password in case of double authentication activated or that of your Infomaniak user account if you have not activated 2FAβ¦
- Server address:
sync.infomaniak.com
- Username: enter in uppercase the username indicated by the synchronization assistant (for example
- add a new account within the 2 applications (the account information can be reused and therefore be identical for the 2 services), for example Calendar:
Contacts Specifics
Display shared address books
The Sync server applies a restriction for the macOS Contacts application because this application does not manage multiple address books for the same account.
Synchronization only returns the default address book. You need to use another CardDAV software (e.g., Thunderbird) to access all address books.
Contact list/group/folder
In the Contacts application on macOS, you can add contact lists (or groups), but the information that a contact belongs to a specific list will not be synchronized with Infomaniak: 
Therefore, if you want to remove these lists, you need to press the DELETE key on your keyboard after selecting the list to delete (this does not delete the contacts): 
Conversely, a folder (or group) that you can configure on ksuite.infomaniak.com/contacts from the editing of a contact card (see below) is not synchronized with the Contacts application on macOS: 
Calendar particularities
Display shared calendars
By default, only your personal calendars are displayed in the Calendar application. Here is an example of synchronization between multiple calendars from multiple Organizations (to which the user account specified in the macOS application is linked).
Infomaniak Calendar:
macOS:
To display calendars shared by another user:
- Open the Calendar application.
- Open the Calendar menu.
- Click on Preferences.
- Go to the Accounts tab.
- Go to the Delegation tab:

- Check the shared calendars to display.
Delete a CardDAV or CalDAV account
Refer to the chapter "Stop using an account" by changing the version of your system at the top of the page if necessary.
*Why is it necessary to choose the guide version that exactly matches your version of macOS / iOS? Apple introduces changes, sometimes subtle, with each new version of its system, for example a path on iOS 15β¦ 
β¦ becomes this on iOS 18β¦