Is Microsoft Outlook outage resolved today? Microsoft has started restoring its services after a major outage disrupted Outlook, Hotmail and Microsoft 365 across several countries. Some users have regained access, but others still face email and login problems. Claude's Microsoft 365 tools have also been affected. Microsoft has yet to confirm full recovery or announce when all services will return to normal. Microsoft 365 has more than 430 million users, according to the company. Downdetector recorded nearly 130,000 Outlook complaints at the peak of the disruption.