Your calendar data, birthdays, birthday wishes, etc., are stored on your computer/tablet/phone.
This method ensures better confidentiality of your personal data..
It is advisable to periodically back up this data, in order for example to find it again if you change computer, browser, or if you delete 'site data' in your browsing history.
You have also a function for synchronizing calendar data between several computers, or between a computer and a smartphone or tablet.
If you want to export/backup: BACKUP
 
If you want to import or sync :

• It must be made from a backup in txt format
• Please choose the file:

 Calendar 2025

Importer vos données personnelles

Custom Calendars : https://calendar.calagenda.global