Open ICS File

Information, tips and instructions

iCS Frequently Asked Questions

What is ICS file?

ICS file extension is used by iCalendar internet standard to store events, to-dos, free/busy information and journal entries. The ICS file format is plain text and is defined in RFC5545 specification. You can view import ICS file into Google Calendar or Apple iCalendar. For more information read how to import and export ICS files from Google Calendar and how to import and export data from Apple iCalendar.

How can I open ICS file?

ICS files could be opened in Microsoft Outlook, Yahoo! Calendar, Google Calendar, Apple Calendar, Mozilla Thunderbird. ICS files are plain text and could also be viewed and modified in any text editor. You can also convert ICS to CSV format if necessary. For more information read how to convert ICS file to other formats or how to add an ICS file to Google Calendar.

What is iCalendar?

iCalendar is a storage format for calendaring and scheduling information according to Internet Calendaring and Scheduling Core Object Specification.

How to share Google Calendar?

If you want to share your Google Calendar with someone who also uses Google Calendar you can do it by clicking on the three dots next to you calendar name, clicking "Settings and Sharing" and choosing sharing options in "Access Permissions" and "Share with specific people" settings sections.

If you want to share your Google Calendar with someone who doesn't have Google Calendar you can either share it publicly to make it accessible via internet or export your Google Calendar to ICS file. For more information read how to share Google Calendar and how to export ICS file from Google Calendar.

Are ICS files binary?

No, ICS files are plain text. They could be opened in any text editor and most information in ICS file is relatively easy to interpret. At the same time it is recommended to import ICS file into calendar software which can display it and an easy to understand and usable way.

Can I view ICS file without any application installed?

Yes, on Mac OS you can use Calendar app to view ICS files. Calendar app is pre-installed on every Mac OS device. On Windows 10 you can use Windows Calendar app which is is also pre-installed on any Windows 10 device.