Microsoft Outlook Outage Hits 5,800 Users as OpenAI Reports Top 1,500
Updated
Updated · USA TODAY · Aug 31
Microsoft Outlook Outage Hits 5,800 Users as OpenAI Reports Top 1,500
3 articles · Updated · USA TODAY · Aug 31
Summary
More than 5,800 Outlook users and 1,500 OpenAI users reported service problems Monday afternoon, with Downdetector peaks at 1:24 p.m. ET and 1:17 p.m. ET, respectively.
Microsoft said the disruption involved Exchange Online, where users faced degraded functionality; the company said it was reviewing telemetry and diagnostic data to isolate the cause.
OpenAI complaints began rising earlier, around 10:30 a.m. ET, while Outlook reports started climbing near noon ET as the Microsoft outage spread.
A later Microsoft update tied the Outlook disruption to an authentication-component issue under incident EX1464935, underscoring the dependence of Outlook services on Exchange Online.