In Microsoft Planner
2. In the next screen, Click Publish, share with anyone and copy the URL
*Note that as an alternative you can also choose 'Add to Outlook' and add it your outlook account and then connect that Outlook Account to Mango.
In Mango Display
Log into your Mango Display account.
Click on the display you'd like to edit.
Once you're on the display window, click the edit button on the calendar widget.
A window will pop up. Select 'Add Calendar URL (iCal or ICS)'.
5. In the next screen, paste the Microsoft Planner URL that you copied, and click 'Connect'
6. Done! Your Microsoft Planner calendar is now connected.