If external sharing isn't allowed for the calendar owner's tenant, it's treated like the calendar is being shared to a third-party user. Syncing happens approximately every three hours. In the future, instant syncing will be enabled for all calendars shared among Microsoft 365 and users. The table below provides more details about the types of configurations that support instant syncing. Instant syncing is enabled only if both users are in the same Microsoft 365 tenant, or if the calendar is shared by an user. Using a shared calendar will be as fast and reliable as managing the user's own calendar. Users will also notice performance improvements when viewing and editing shared calendars. If someone changes a shared calendar, all other people sharing the calendar will see the changes instantly. Users can view all their shared calendars on any device or calendar application. Users can easily accept shared calendar invitations from any Outlook application and see those shared calendars on all their devices.

Users can share their calendar from any version of Outlook and have the same permission options on all versions. The basic improvements to sharing can be summarized as follows: Shared calendars that sync to all devices with changes that appear right away. See Share a calendar.Īn easy way to accept a shared calendar invitation. With these improvements, IT admins and their organization's users can expect:Ĭonsistent permissions options when sharing a calendar.

There are no changes to shared calendars when one person's calendar is hosted in Exchange on-premises. The improvements are only for calendars shared between people using Exchange Online. The rest of this article is intended to help IT admins understand the changes that are rolling out. We made improvements to the way shared calendars in Microsoft 365 sync across your applications.

Sharing your calendar in Outlook on the web for business or .Īre you an IT admin wanting to find out more about the new shared calendars platform? Sharing your calendar in Outlook on iOS or Android. Sharing your calendar in Outlook for Mac. Sharing your calendar in Outlook for Windows. Are you looking to find out how to share or delegate your calendar?

How to sync office 365 outlook