Microsoft will officially end support for Internet Explorer 11 in Microsoft Office 365 next Tuesday (August 17th). Please ensure you’re using Mozilla Firefox, Google Chrome, Microsoft Edge, or Apple’s Safari web browser to access Office 365 and GHC’s Single Sign-On services. Internet Explorer 11 is Microsoft’s final version of the aging web browser and it will be fully out of support on most Windows 10 devices next year.

More information about this change is available at https://docs.microsoft.com/en-us/lifecycle/announcements/m365-ie11-microsoft-edge-legacy