There are no changes to shared calendars when one person's calendar is hosted in Exchange on-premises. The improvements are planned only for calendars shared between people using Exchange Online. The rest of this article is intended for IT admins, to help them understand the changes that are rolling out. We're making improvements to the way shared calendars in Microsoft 365 sync across your applications. Sharing your calendar in Outlook on iOS or Android.Īre you an IT admin wanting to find out more about the new shared calendars platform? Sharing your calendar in Outlook on the web for business or. LessĪre you looking to find out how to share or delegate your calendar? Outlook for Microsoft 365 Outlook for Microsoft 365 for Mac Outlook 2021 Outlook 2021 for Mac Outlook 2019 Outlook 2019 for Mac Outlook 2016 Outlook 2016 for Mac Outlook on the web Calendar for Windows 10 Outlook for iOS Outlook on the web for Exchange Server 2016 More.