What are Internet Calendars?
Internet Calendars are calendars that are shared through the Internet. These calendars are based upon a global Internet standard that allows calendar information to be exchanged between people regardless of the application that is used to create or view the information.
What were its format and its extension?
Internet Calendars use the iCalendar format and the .ics file name extension.
How many types of Internet Calendars available?
There are two types of Internet Calendars:
1) Calendar Snapshots 2) Internet Calendar Subscriptions