Microsoft said details can be found in the admin center under ‘MO941162’.

“We continue to monitor the service as we complete other workflows intended to fully resolve the issue,” it said in part.

According to outage tracker site Downdetector, more than 5,000 user-reported issues were observed as of noon ET on Monday, although the data does not fully reflect the extent of the outage.

But in an afternoon update around 2 p.m., Microsoft stated that it was still experiencing “delays” in its attempt to resolve the issues after the afternoon update claimed that “approximately 98% of affected environments” had been fixed, although that was inconsistent with Down detector.

This summer saw what was described by Microsoft as probably the largest global IT outage – at one point affecting 8.5 million Windows operating system devices – affecting airports and disrupting hundreds of flights, operations at 911 call centers and others critical US infrastructure were cancelled. hit by a slow recovery.

In the Monday morning hours, Microsoft said it was beginning to deploy a fix “currently being rolled out by the affected environment,” adding that as progress continued, Microsoft was “manually restarting a subset of machines located in a unhealthy condition.”

Just before 1 p.m. there was a peak in reports of problems

“It’s almost 2:00 PM EST. I still can’t access Outlook,” one user wrote in a Microsoft 365 comments section.

Meanwhile, Microsoft Outlook and Teams are intensively used by international companies and organizations.

“We understand the significant impact of this event on your businesses and are working to provide relief as quickly as possible,” the software company said.