iCalendar is the format; ICS is the file type
An iCalendar feed is usually delivered as data with the .ics file extension. The feed contains event fields that calendar software can interpret, including start and end dates.
A booking platform can expose a private feed URL so another compatible system can periodically read the current events.
Why rental hosts care about iCal
When one property appears on several booking sites, importing each channel's calendar into the others can help block dates that are already reserved elsewhere.
BnBCal Studio adds a visual layer: it reads supported feeds and renders them as a single property calendar without acting as the booking system itself.
Frequently asked questions
What does iCal stand for?
In this context, iCal refers to iCalendar, the standard format used to exchange calendar event data.
What is an ICS file?
ICS is the common file extension for iCalendar data.
Is iCal only for Apple Calendar?
No. iCalendar is an interoperable format used by many calendar and booking systems.
Related calendar guides
Use the calendar viewer
Combine supported vacation-rental iCal feeds, review availability, customize the calendar, and export the month you need.
Open BnBCal Studio