Supported Desktop Applications

Your calendars can be synchronized with all applications that support the CalDAV standard. The .ics format is supported for exports and imports.

The Organizer can be synchronized with any calendar applications that support the CalDAV standard. offers this option as an additional service and has no influence on whether and at what price applications with CalDAV are available for your device or system.

You can transfer appointments from a calendar application to the Organizer if the calendar application supports exports in the "iCalendar" (.ics) format.

Calendar application Synchronization with CalDAV Exports in the iCalendar format
Outlook No Yes
Thunderbird Yes, CalDAV address: email address)/calendar

Mac OS calendar Yes, CalDAV address: Yes

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