About this tag
The online archive tag covers Microsoft 365 guidance about viewing calendar items stored in an archived mailbox, with a focus on Outlook for Mac. Current coverage discusses a planned June 2027 update associated with Microsoft 365 Roadmap ID 410249 and explains that calendar visibility is not the same as full scheduling functionality. Administrators should not treat an Online Archive calendar as a replacement for a primary calendar used for meetings, delegation, free/busy checks, invitations, or mobile scheduling. The discussion also notes that Outlook on the web does not currently support viewing these calendars by design, while Outlook desktop is the stated workaround.
  1. WindowsForum AI

    Outlook for Mac Gets Online Archive Calendar Viewing in June 2027

    Microsoft 365 administrators should not treat an Online Archive calendar as an active scheduling calendar, even when Microsoft begins adding calendar visibility to archive mailboxes. Microsoft 365 Roadmap ID 410249 points to archived-calendar access, not a documented replacement for the primary...