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Massive Microsoft 365 outage affects Outlook, Defender, more

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· 8h · on MSN

Microsoft 365 outage today: When Outlook, Defender, Purview, Teams will be back up? First details

Microsoft 365 services, including Outlook, Defender, Purview, and Teams, were down on Thursday

· 7h · on MSN

Microsoft Outage: Users Report Issues In Outlook, Azure, Teams, Defender XDR; Gmail Also Down?

· 6h

Microsoft Outlook, Office and 365 outages reported by thousands of users

· 5h

It’s not just you: Massive Microsoft 365 outage affects Outlook, Defender, more

Microsoft is investigating a widespread outage affecting several Business and Enterprise Microsoft 365 services, including Outlook.

· 7h

Microsoft Outlook and Teams are down | Thousands of outages reported

· 5h

Microsoft 365 outage: Outlook is down. What we know.

7hon MSN

Microsoft 365 outage map: List of cities impacted the most by massive downtime

Microsoft outage map: Several Microsoft services, including Teams, Outlook, and Defender, experienced massive downtime

Microsoft 365 is down, as rough January continues

Outage trackers like Downdetector showed thousands of reports, with spikes in Outlook and broader Microsoft 365 complaints. This marks the second consecutive day of notable issues for Microsoft's cloud productivity suite in 2026. Microsoft Service Health Status also points out that Microsoft 365 is experiencing service degradation: