There have been numerous reports of a widespread outage of Microsoft’s Office 365 services.
A number of people have posted on downdetector.com that they are experiencing issues with Microsoft's cloud services. At the time of writing, the most reported problems are Login (37 per cent), Outlook (31 per cent) and Server Connection (31 per cent).
Problems have been reported in a number of European countries such as Turkey, Greece, Italy, the UK and Denmark.
Numerous Office 356 users have also taken to Twitter to report problems:
At the time of writing there has been no official statement from Microsoft on the outages, with its Office 365 health status page reading: "There are currently no known issues preventing you from signing in to your Office 365 service health dashboard."
Check back for more updates on this story throughout the day.