UConn users with an Office 365 license will receive daily briefing emails from Cortana@microsoft.com. If you do not wish to receive these emails, then you can quickly opt-out so you will not receive them in the future.
How to Opt-out
Open up your daily briefing email that was sent by cortana@microsoft.com
Scroll to the bottom of the email, and select Unsubscribe
In the page that opens, bubble in the answer you agree with most and click Submit.
If you wish to re-subscribe at any point, you can do so by going to https://briefing.microsoft.com/