Avoid manually entering events. It's easy to add iCal invites (.ics files) to your Google calendar if you follow these simple steps.

Fix: Set iCal to open ".ics" filetypes Locate a calendar file either in a received or sent email iCal invitation, or by opening iCal and exporting a calendar to the desktop.

Use an online CSV-to-ICS converter, such as CSV to iCal Convertor. Upload your CSV file, following onscreen instructions. Choose a time zone and an output name and click the "Convert" button ...

macOS 10.14.6. When I make reservations at OpenTable.com, I have the option to add it to my calendar on my Mac via a downloadable .ics file, the contents of which are: If I double-click it, it ...

Interesting, I just sent an .ics file to myself and it worked. But when I get it from somebody else, it won't open. So some open and some don't.

Open the Outlook recipient's response email in Lotus Notes, and then double-click on the ICS file attachment to open the Import window.

Security researcher Billy Rios has released a new database of ICS and SCADA files called WhiteScope.