In development Outlook: Calendar support in Online Archive Add calendar support in Online Archive. Target June CY2027Cloud Worldwide, GCC, GCC High, DoDPlatform MacSource last updated 2026-05-26 Affected: Outlook Related changesOutlook: Remember your online archive folder pane state · OnlineOutlook: Insert signature into calendar events · CalendarOutlook: All Day events to show up more clearly in the Mail module Calendar Preview · CalendarMicrosoft Copilot (Microsoft 365): Copilot Chat in Outlook expands to reason over inbox, calendar, and enterprise data · CalendarOutlook: Purview Data Loss Prevention support for Calendar Events in Outlook for Mac · CalendarOutlook: Copilot Chat Sheet UX Update for Mobile · Outlook View at Microsoft → Copy summary