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Microsoft 365 Outage Enters Second Day Amid Progress
A multi-day outage of Microsoft's 365 services has continued into its second day, despite some progress in resolving issues.
The problems started when an issue with Exchange Online led to email delays and authentication issues for some Outlook users.
Microsoft confirmed that other services were also affected, including SharePoint, Copilot, Teams, Purview, Defender XDR, the Microsoft 365 Admin Center, and Universal Print.
The company attributed the problem to a core authentication configuration issue used by multiple services.