For viewing an Office365 shared calendar on an iPad Below are the steps as well as good reference YouTube videos. How to get a shared calendare ICS URL from Office365 -  https://www.youtube.com/watch?v=5146iHaEebo Login to https:\\Portal.office.com Go to Calendar Select Options Select Publish Calendar Copy the ICS address Paste the ICS Address into the email and send to the person who will be opening the shared calendar on their IPad. How to add an Office365 Shared calendar to your IPad - https://www.youtube.com/watch?v=MoaJdyHxdTk Open the email with the ICS URL Click on the URL In the pop-up, click Subscribe Open your calendar and click “Calendars” at the bottom Rename the new calendar to a more recognizable name.