Microsoft 365 malfunction causes ‘absolute chaos’ for millions

Résumé détaillé

A malfunction in Microsoft 365’s digital admin programs is affecting users across the globe.

A global Microsoft outage is causing “absolute chaos” in Australia as the global tech giant races to fix the problem.

Major features of the Microsoft 365 suite, which includes email service Teams, video conference calling app Teams and AI assistant Copilot, have all been experiencing disruptions on Friday morning.

The problem was initially detected within Microsoft 365 suites in North America at about 3am AEST, and within hours the company realised services all over the world were being affected.

“We’re investigating reports of users experiencing issues when accessing or using Microsoft Teams functionality in North America,” the original notification read.

Two hours later, at about 5am AEST, the company said Microsoft 365 applications could be affected in “any region”.

RMIT associate professor Mark Gregory told ABC News Breakfast there had likely been a “misconfiguration” during a routine Microsoft update process similar to the one Optus had when it experienced a mass outage in September 2025.

“Part of the server pool that serves the Outlook service appears to have fallen off the network … it appears that a large number of them have essentially been dropped off the list of available servers and so what’s left can’t serve all the traffic,” Professor Gregory said.

“It means absolute chaos from a user point of view because while it may be early morning here, somewhere in the world it’s the middle of the day and people are trying to work. If all of a sudden you’ve lost access to Outlook, you can’t do your emails and you’ve lost productivity.

“For people in Australia, hopefully the problem will be fixed before we enter our workday.”

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