Microsoft 365, Exchange, Outlook, Teams and the Microsoft Store were all offline, according to Downdetector, with the reports peaking shortly before 3:30 p.m. ET.

Microsoft 365 services, including Outlook, Defender, Purview, and Teams, were down on Thursday ...

Microsoft says it partially mitigated a week-long Exchange Online outage causing delays or failures when sending or receiving email messages. While the company didn't publicly share information on ...

A Microsoft 365 enterprise outage has been fixed ...

Thousands of Microsoft 365 users were reporting outages on Jan. 22. Here's the latest.

Microsoft wants to give big businesses a way to send more emails via its Exchange Online service. Today, the company officially announced its public preview of what it calls High Volume Email (HVE) ...

Microsoft announced the general availability of its redesigned Message Trace feature for Exchange Online, marking the completion of a long process that started with the first preview in 2023 and ...

Microsoft has introduced a new Email Security Transparency Dashboard in Microsoft Defender for Office 365, offering customers visibility into threat detection metrics and benchmarking data. "At ...

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 Exchange Server is a critical component of enterprise communication, but like any complex system, it is not immune ...

Microsoft has announced a new e-mail security dashboard in Microsoft Defender for Office 365, offering customers visibility into threat detection metrics and benchmarking data. "At Microsoft, we ...