After a period of monitoring we can confirm that this issue has now been resolved.
Apologies for any inconvenience this may have caused.
Services have now returned. Our engineers will continue to monitor over the weekend.
We are experiencing issues with our Microsoft Azure Cloud services which is impacting a number of services, such as Office 365 (email), Canvas and Seats. Our engineers are in contact with Microsoft to obtain further information. We will update details on our status page.