Home : File Types : ICALENDAR File

.ICALENDAR File Extension

File TypeiCalendar File

3.5 (2 Votes)
CategoryMisc Files

What is an ICALENDAR file?

Universal calendar format used by calendar programs such as Google Calendar, Apple Calendar, 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.

More Information

The ".icalendar" extension is not as commonly used as the .ICS extension.

NOTE: Apple Calendar was formerly known as Apple iCal but was changed in 2012 with the release of OS X Mountain Lion.

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Programs that open ICALENDAR files
Updated 11/11/2014


Our goal is to help you understand what a file with a *.icalendar suffix is and how to open it.

The iCalendar file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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