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Microsoft will begin retiring Exchange Web Services (EWS) in Exchange Online starting October 1, 2026. EWS is an older technology used by some email and calendar applications and is being replaced by more secure, modern connection methods.As Microsoft rolls out this change, some people using older…
Microsoft will begin retiring Exchange Web Services (EWS) in Exchange Online starting October 1, 2026. EWS is an older technology used by some email and calendar applications and is being retired in favor of more secure, modern authentication methods.
Beginning April 15, 2026, Microsoft will no longer incorporate Copilot Chat (basic) in Microsoft Office, Excel, OneNote, and PowerPoint apps. This change affects the online and desktop versions of these apps. The stand-alone Microsoft Copilot Chat remains accessible to the Cornell community.
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
We strongly recommend opting in to Two-Step Login for Microsoft 365 for additional security. This is separate from two-step for CUWebLogin.