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Microsoft 365 hit by outage, preventing access to emails and files

ID: fa666b45-f4e2-5d81-8860-a6787b310d9c

STIX ID: report--fa666b45-f4e2-5d81-8860-a6787b310d9c

Feed Name: TechCrunch Security News

Date Published: 2026-01-22

Date Updated: 2026-04-23

Author: Zack Whittaker

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A widespread Microsoft cloud outage is disrupting Exchange Online email, SharePoint/OneDrive search, Teams chat/meetings/member management, and access to Purview and Defender XDR admin portals; Microsoft cites a malfunctioning portion of North American infrastructure and is working to restore normal operations.

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