The iCalendar format is a standardized data format for exchanging calendar and appointment data. It is specified in RFC 5545 and is based on the older vCalendar format. Files in iCalendar format have the file extension .ics (on all operating systems) or .iCal (macOS).
Supported applications
- Google Calendar
- Apple Calendar (iPhone, iPad, Mac)
- Microsoft Outlook
- Mozilla Thunderbird
- Android calendar
Use in the appointment scheduling system
After a successful booking, the customer can download an .ics file, or it is automatically sent along as an email attachment. With one click, the appointment is then imported into the customer's own calendar, with all relevant details (date, time, description, address of the service provider).
The format is also used for CalDAV synchronization.