Home > Computers > Data Formats > Personal Information > iCalendar
iCalendar is a standard for calendar data exchange. The standard is sometimes referred to as "iCal", which also is the name of the Apple Computer calendar program that provides one of the implementations of the standard.
iCalendar's design was based on the previous file format vCalendar.
Files containing iCalendar data use the filename extension of .ics.
http://tools.ietf.org/html/rfc2445
Official specification for the format, including full syntax and recommendations.
http://tools.ietf.org/html/rfc2446
Specifies how calendaring systems can use iCalendar objects to interoperate with other calendar systems.
http://tools.ietf.org/html/rfc2447
Specifies a binding from the iCalendar Transport-independent Interoperability Protocol (iTIP) to internet email-based transports.
http://en.wikipedia.org/wiki/ICalendar
Encyclopdia article on the format, with an overview of the specifications, and details of various implementations.
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