More than 2,100 people had reported issues with Microsoft 365 on the Down Detector website as of 10:30 a.m. EST on Monday, with 86% of reports stemming from issues with Outlook, 9% with Exchange and 6% with Sharepoint.

A post on the Microsoft 365 account on

Microsoft said it had begun implementing a fix as of 9 a.m. — shortly after reports of issues began to increase significantly — including “manual restarts on a subset of machines that are in an unhealthy state,” but did not provide an estimated time for the complete solution. restoration.

The company added that a “recent change” was likely responsible for the outage and that the change has been reverted. While Microsoft didn’t specify which change affected programs, Monday morning also saw the rollout of a new Recall AI tool for Windows Insiders that aims to take regular snapshots of computer activity (essentially a “photographic memory” for computers) to store on PCs. save it and make it searchable later without remembering exact keywords or dates.

The feature first debuted in May, but the first version was criticized for privacy and security concerns, causing the full launch to be delayed.