Explained: How could the Microsoft outage impact the tech sector?
Microsoft says its 365 services are fully restored, after a 24-hour outage sent online telecommunications into chaos.
Some servers were taken offline and others overloaded with traffic when routine automated checks went awry.
The disruption to Outlook and Teams impacted businesses and organisations all over the world.
Auckland University computer science lecturer Ulrich Speidel says people might question their reliance on the service.
"A lot of them are going to ask - do we need a secondary system that we can use in case Outlook fails or Teams fails? What would we be using? Would it be best to switch to a different system altogether?"
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