Exchange Online outage affecting Outlook access resolved by Microsoft

Exchange Online outage affecting Outlook access resolved by Microsoft Digital Watch Observatory

Early report Major update Updated Mar 18, 2026, 7:28 AM UTC

Track this event Edit in app More event pages

What changed

New report from Auto search: microsoft 2h ago.

First seen Mar 18, 2026, 7:28 AM UTC Latest source Mar 18, 2026, 7:28 AM UTC

Update 1 2h ago

Auto search: microsoft •published Mar 18, 2026, 7:28 AM UTC •fetched Mar 18, 2026, 7:47 AM UTC