A Microsoft systems error meant users are being sent a warning that their licence was not valid, with millions affected.

A statement has been issued by Microsoft after millions of users have found themselves unable to use Outlook services today.

Issues with the Outlook service have been reported in Australia, Brazil, Canada, Denmark, Germany, Hungary, Ireland, India, ...

Millions of Microsoft users across the globe have found themselves unable to log in to the Outlook service this morning - ...

A global Microsoft Outlook outage has reportedly stopped millions of users being able to send or receive emails ...