The possibility to use a shared Ical URL is very useful if you want to show events from personal calendars. It gives you a lot of possibilities to share events on your LoopSign screens.
Log into your Outlook Online account https://outlook.office.com/
Select your calendar and then select “Settings” in the top menu.
Select the menu item in the bottom ” View all Outlook settings”
Select your calendar
Select publish
Copy the “link” to the ICS file
The Ics link is the one you can use in LoopSign Calendar Widget.