If you’re a Google Calendar user, you may have had issues adding events to your calendar when someone sends them to you attached to an email in iCal format (the files usually looks like “invite.ics”).

Can I Import an ICS file into Google Calendar? To import a .ics or iCalender file to your Google Calendar, open Google Calendar Settings and navigate to Import & export tab. Next, select the .ics file ...

The iCalendar format, also known as "Internet Calandar" in Outlook, was designed to be viewed and shared with many different programs and services, including Google Calendar and Lotus Notes.

Export your entire calendar into a single file to create a personal backup or to share within your organization. Using Microsoft Outlook, you can save your calendar to your PC as an Internet Calendar ...