What is "iCalendar" (iCal)? Marek Hrycak March 26, 2019 08:39 Updated Follow This is a calendar data exchange format. Related articles How can I turn off synchronization between BedBooking with Booking.com What is iCalendar? How can I add room calendars in Google Calendar? How can I export reservations? How can I activate or deactivate the synchronization of reservations with iCalendar? Comments 0 comments Please sign in to leave a comment.