You will need to enter your credentials for iCloud. Http s://p / dsid/calendars/ guidĮt voìla. There, you can enter the following url with the pieces of information marked in bold: In Thunderbird with the Calendar plugin Lightning, now add a network calendar of type 'CalDAV' (iCalendar will not work!). Now, you have all three pieces of information. Now, switch from 'Headers' to 'Reponse' you might need to check multiple URL get lines to find one with the right response, but you will find a number of guid entries which correspond to your calendar IDs ( information c) In the upcoming new sub-window, you can click on Headers and find dsid somewhere below under Query string parameters alternatively, you can find it in the URL dsid corresponds to your user id ( information b) In my case, it was helpful to right-click on a column to additionally show the domainĬhecking the domain or just hovering over the links, you can find the xx in pxx, this is your specific server the remainder of the domain does not matter ( information a) Press Ctrl + Shift + I and click on the Network tab it might be that it is empty for now since logging might also start after pressing Ctrl + Shift + I if it is empty, just reload having the network tab still open You can either use Firefox' or Chrome's functionality to look at the network I will continue with Chrome for this explanation. Logging in to your iCloud calendar in the browser is the first important step.

your calendar's server (especially, the number xx in ) You will need three ingredients for Thunderbird:Ī. There is a German solution that has recently worked for me, while Ronny's link does unfortunately not work since I just do not get any responses from the server:

Mozilla thunderbird calendar