All about ICALENDAR Files

The ICALENDAR file type is primarily associated with iCalendar Validator.

ICALENDAR	File extension: ICALENDAR
	File type:	calendar object

What is an ICALENDAR file

ICALENDAR files mostly belong to iCalendar Validator by iCalendar Developers. ICALENDAR is the filename extension of a calendar object saved in the text format defined by the iCalendar specification. The contents of this file can include date and time information, scheduled events, journal entries, to-dos, free/busy schedule times, and reminders. Apart from ICALENDAR, calendar management applications such as Outlook and the Calendar applications developed by Yahoo, Google, and Apple can also import iCalendar objects saved in ICAL, ICS, and IFB files. This format is mainly used to share calendar information.

How to open an ICALENDAR file

You need a suitable software like iCalendar Validator to open an ICALENDAR file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ICALENDAR file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ICALENDAR file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ICALENDAR Text Viewer

Choose your .icalendar file to analyze

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Programs that open and convert ICALENDAR files:

iCalendar Validator by iCalendar Developers
See the previous paragraphs to learn more about the main application. ICALENDAR files are often referred to as iCalendar Validator miscs because this type of file is primarily created or used by this software.
Calendar (calendar object) by Google
Calendar is a cross-platform calendar management application. It can import a calendar object saved in an ICALENDAR file. This file format is classified as Misc.
Calendar (calendar object) by Apple
Calendar is the calendar management application for macOS, iOS, and iPadOS platforms. It can save, import, and export calendar objects in ICALENDAR files. This file format is classified as Misc. Related links: Macintosh ICal Program, Mozilla Calendar, iCalendar, Request for Comments: 2445 Specification, Wikipedia iCalendar Page
Outlook (calendar object) by Microsoft
Outlook is a cross-platform email, calendar, and personal information management software. It can export and import calendar objects as ICALENDAR files. This file format is classified as Misc.

Technical Data for ICALENDAR File Extension

File classification:

Misc

Related files:

ics, untitled, ical, aso

Mime type:

text/calendar

an icalendar calendar object is a special file format by iCalendar Developers and should only be edited and saved with the appropriate software.

How to solve problems with ICALENDAR files

Associate the ICALENDAR file extension with the correct application.
Update your software that should actually open calendar objects. Because only the current version supports the latest ICALENDAR file format. Search, therefore, e.g. on the iCalendar Developers manufacturer website after an available iCalendar Validator update.
To make sure that your ICALENDAR file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ICALENDAR file online - secure, fast, and no downloads needed.