Microsoft is working to address an ongoing Exchange Online outage that is preventing customers from accessing their mailboxes and calendars.

Microsoft is investigating an ongoing outage that is blocking admins worldwide from accessing the Exchange Admin Center (EAC). The company tagged this ongoing issue as a critical service issue tracked ...

The issue affects users trying to access EAC to administer Exchange Online for their users. Users began expressing frustration about the service being down just before lunchtime in the UK. The issue ...

Microsoft has announced the public preview of its enhanced Message Trace feature in the Exchange admin center (EAC) for Exchange Online. A message trace provides visibility into emails sent to, from ...

Microsoft has launched High Volume Email for Exchange Online in public preview, with free access until May 2026 for ...

Microsoft is investigating an Exchange Online outage that blocked access to mailboxes, and many users are still unable to load the Office.com portal.