File extension icalendar

Name: Miscellaneous Files

Popularity: 2

Open With: Microsoft Outlook 2010

What is this icalendar file?

Universal calendar format used by calendar programs such as Google Calendar, Apple iCal, and Microsoft Outlook; saved in a plain text format and contains an event or task; used for sending events or tasks to others, who can import it into their calendars. The ".icalendar" extension is not as commonly used as the .ICS extension.