Downloading your iCloud calendar allows you to back it up, migrate to another service like Google Calendar , or access your schedule offline. While Apple doesn't offer a single "Download All" button on iCloud.com , you can easily export individual calendars as using a web browser or the native Mac app. Method 1: Download from iCloud.com (Mac or PC)
This is the most universal method and works on any computer without needing special software. download calendar from icloud
How do I export my entire iCloud calendar? - Apple Community Downloading your iCloud calendar allows you to back
