Microsoft has confirmed that it’s finally restored all affected services following a major global outage that began on Thursday, November 12, and stretched into the weekend.

The disruption began on Thursday evening as reports of connection failures surged on Downdetector, with Microsoft acknowledging widespread issues across Exchange Online mailboxes. The company further stated that an unexpected unavailability of servers had been triggered during a routine network capacity upgrade; attempts to then rebalance traffic failed, causing the issue to spill over into Friday.

By Friday, the company reported that email queues were shrinking toward normal levels, though engineers continued working through a massive backlog of data .…