Microsoft was not releasing feature updates for Exchange Web Services in Exchange Online and now says it will block EWS requests from non-Microsoft apps to Exchange Online starting Oct. 1, 2026.

Microsoft on Thursday announced a public preview of Role-Based Access Control (RBAC) for Applications in Exchange Online.. RBAC for Applications in Exchange Online allows IT pros to set permission ...

Microsoft is investigating an ongoing outage preventing Outlook on the web users from accessing their Exchange Online mailboxes. According to thousands of user reports on DownDetector, the issue ...

Microsoft's Exchange team is warning Exchange Online users that many of its customers are being targeted by password spray attacks using its basic authentication. The warning comes as Microsoft ...