Outlook Classic is a technology platform tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed February 6, 2026; most recent activity February 6, 2026.
Microsoft has announced the timeline for the shutdown of Exchange Web Services (EWS) in Microsoft 365 and Exchange Online. EWS will be disabled by default on October 1, 2026, with a complete shutdown scheduled for April…