Not all that, the file extension used by iCalendar in Gmail is also used in many applications like Mozilla lightning, IBM Lotus Notes, Exchange, Entourage, etc.

Google calendar support both Outlook and Apple iCloud. Related Post– Import And Export ICS To Thunderbird Need to Import ICS to Gmail calendar This feature also transfer ICS file to Gmail. Google suggests users add suitable titles, locations, and contacts for an event, reminder or goal. In this feature suggest suitable timings for each goal. This feature allows the Google calendar to store users long and short term goals. This feature also allows the user to add alarms in calendar events. This feature allows the user to add a to-do list, alarms, meetings, etc which user require to be set as a reminder. After ICS file transfer this feature changes in every application. This feature is imported when user import ICS to Gmail.

It is also added automatically if a person received a new mail with an event. It is an application provided by google calendars.

Add vcs to google calendar