Step 1: Copy the link below

https://outlook.office365.com/owa/calendar/a6ce74c4e5dd496a89f8872a4a12e9f9@MyChc.org/7b5906cc388f41b2b18f70e5350fcb3f5723632380940461670/calendar.ics

Step 2: Open Phone Calendar

Step 3: Click “add calendar”

step 4: click “add subscription calendar”

Step 5: Paste the link and click “add”