A global outage of Microsoft Outlook and Teams was easing yesterday after nearly 24 hours of chaos that crippled online communications, forcing some organisations to revert to fax and halting at least one European bond repurchase.
Microsoft said server issues were behind the incident that also affected its Copilot AI assistant and that a broader roll-out of software fixes was stabilising the system.
It said it was not aware of any malicious activity and ruled out AI as the cause.
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