The user can do this from any Outlook application, including Outlook for iOS or Outlook for Android. If the recipient is in the same organization, and the calendar owner is not sharing their calendar to the My Organization (default) user, the shared calendar will be removed from the recipient’s mailbox. The improvements are only applicable for calendars shared between users in Exchange Online. This article is intended for IT admins, to help them understand the changes that are rolling out. Stop sharing your calendar Click Calendar. P.O. If the recipient is an Outlook.com or an Microsoft 365 user, the sync will happen approximately every three hours. Customers who have deployed the preview in their organization have been very successful, and we are eager to be able to turn the improvements on by default! The entry’s named property name is SharingCalendarGroupEntryAssociatedLocalFolderId, and it will point to the ID of the local shared calendar folder. Not yet, but it’s high on our list. If you clear the shared calendar option in the calendar list, Outlook for iOS, Outlook for Android, and Windows 10 Mobile will not sync the calendars that aren't selected. Following is the procedure that enables you to access permission for sharing the calendar of your Office 365 account with other users. The table below provides more details about the types of configurations that support instant syncing. Click the link to accept the shared calendar. For each calendar that is shared in Office 365 but not available in Front Calendar, use the following steps to make it accessible in Front. Instant syncing will eventually be enabled for this setup. The application periodically polls the owner's mailbox for changes and syncs them. There are no changes to shared calendars when one person's calendar is hosted in Exchange on-premises. Does this also apply to resource calendars? The entry points to the owner's mailbox but doesn't store any calendar data in the recipient's mailbox.

Outlook for Mac currently uses EWS and shows legacy shared calendars that don't have these improvements.

If the calendars were shared prior to the change, they are not available by default to services like Front Calendar, and must be re-shared. Outlook on the web, iOS, and Android: If the user is viewing it on Outlook on the web, Outlook for iOS, or Outlook for Android, the new sync experience is in use.

An easy way to accept a shared calendar invitation. Shared between Microsoft 365 users in different tenants, with external sharing enabled. This section discusses where and when instant syncing occurs in the current state of our work. The first improvement is that users can share their calendar from any version of Outlook and have the same permission options on all versions.

For each calendar that is shared in Office 365 but not available in Front Calendar, use the following steps to make it accessible in Front.
However, if they shared their calendar with people before these changes were enabled, they won't see these improvements automatically. If the user is performing this action in Outlook for PC, they must also opt in to the preview, described in this article. Outlook.com or We don’t have any plans to allow the shared calendar improvements to be disabled for tenants. For shared calendars to benefit from these improvements, users should re-create the shared calendar by using one of the two options below: Ask the calendar owner to re-share the calendar with them.