Microsoft 365 is down as thousands prepare to start work for the day.
More than 200 outages have been reported since 5am, with Outlook email also affected.
Users say they are being told their licence is not valid despite being up-to-date with their subscription payments.
One customer wrote online: ‘It seems that a bunch accounts have been caught in a system error in which it shows that there are no payment details available for the accounts in the issue.
‘Currently any Exchange Emails are not being Received or Sent from any email platform I have tried (Outlook or Gmail).’
Bradley Smith said: ‘Seems like everything is down, Microsoft, EE, YT literally everything.’
Users were warned at the start of this week Microsfot Authenticator will delete millions of passwords.
The app is most commonly used for two-factor authentication, using face ID to log into email or company systems.
But the app, which has been downloaded over 100 million times on the Google Play store alone, was also used to store passwords with autofill until this month.
Microsoft now says ‘the password era is ending’, urging people to turn to alternative ways of logging in, and saying the app will no longer support passwords.
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