Offline Support for Calendar – Create, Edit and Delete Event support
Offline support for creating, editing, and deleting single calendar events in the new Outlook for Windows will be available from mid-June to mid-July 2025. This feature requires the `OWAMailboxPolicy -OfflineEnabledWin` setting to be true. Recurring events are not supported offline. Admins can manage settings using the Set-OwaMailboxPolicy cmdlet.


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