Microsoft confirms Outlook disruption

Business and enterprise customers in North America were the most affected.

Microsoft confirmed a disruption affecting Outlook and Microsoft 365 users in the United States.

Microsoft confirmed a service disruption affecting Outlook and Microsoft 365 users in the US, with problems first reported on Wednesday afternoon. The outage primarily affected business and enterprise customers nationwide.

In the US, users reported difficulties sending and receiving email, alongside problems accessing services such as Teams, SharePoint and OneDrive. Microsoft said part of its North America infrastructure was failing to process traffic correctly.

Engineers in the US began rebalancing traffic and restoring affected systems to stabilise services. Microsoft said recovery was under way, though full resolution would take additional time.

The incident highlights the reliance of organisations in the US on cloud-based productivity tools. Businesses across the country experienced disruptions extending into the evening as work and communication systems remained unstable.

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