For Cornell Microsoft 365 mailboxes, all your email and calendar are stored in the Microsoft 365 data centers. To work with your information when you are not connected to the internet, your Outlook must have local copies of that information. This requires planning ahead, and the details depend upon…

Microsoft frequently updates the design of Outlook, so your version may not match exactly the description given here.Outlook for Mac

Microsoft Outlook is the university's default email system for faculty, staff, and affiliates. It is a cloud-based service that manages email, calendars, task lists, and address books.