1. Go to iCloud.com, sign in with your Apple ID, and open Calendar.
  2. Publicly share the calendar.
  3. Copy the URL of the shared calendar and paste it into the address field in your browser. Don't press Enter or Return.
  4. Change "webcal" to "http" and press Enter or Return. An ICS file will download to your default download location.
  5. Add the calendar to your calendar client.
  6. Stop sharing the calendar.

If you wish to find more information about your iCloud calendar, you can find that hereIf you have any problems uploading your calendar, please email hosts@plumguide.com.