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

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

Microsoft announced today that inbound SMTP DANE with DNSSEC for Exchange Online, a new capability to boost email security and integrity, is now generally available. The company announced in September ...

Microsoft users kicking off their work week may have been unable to access certain services, including emails, on Monday. Microsoft 365 Status said on X that it was investigating an issue “impacting ...

Microsoft Corp. struck a deal with San Francisco officials to provide an online e-mail system for the city's workforce, beating out competing products from Google Inc. and IBM Corp. Company and city ...

Microsoft is set to retire Exchange Web Services (EWS) on October 1, 2026, after which it will WS requests from non-Microsoft apps to Exchange Online. The change won't impact EWS in Exchange Server, ...

Microsoft first tweeted at 8:56 a.m. Pacific Wednesday about the issue. The company said it was resolved hours later. Some users of Microsoft Exchange Online are unable to access mailboxes through any ...

Microsoft's cross-platform Exchange Web Services (EWS) API will end on October 1, 2026. This change will affect Exchange Online customers utilizing EWS to access emails and contacts. EWS users who ...

The Cyber Safety Review Board (CSRB) plans to share findings with President Joe Biden. Secretary of Homeland Security Alejandro Mayorkas (Photo by Sydney Phoenix) The Microsoft Exchange Online breach ...