Microsoft says that it has mitigated an Exchange Online outage affecting customers worldwide, which blocked their access to ...

Microsoft confirmed a major email service outage across North America that is stopping inboxes from filling up and may be ...

Microsoft is working to resolve a known issue that causes an anti-spam service to mistakenly block Exchange Online and ...

A system outage affecting Outlook users across North America, which has now been resolved, caused users not to be able to ...

Microsoft will enforce a temporary block on Exchange hybrid setups from September 16–18, urging admins to adopt the dedicated ...

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 begins ...

Microsoft Exchange Server 中的一个严重漏洞在全球近 30,000 个系统上仍未修补，引发了人们对混合云环境中潜在利用的担忧。 该漏洞被跟踪为 CVE-2025-53786，影响与 Exchange Online 混合配置中的 Exchange 2016、Exchange 2019 和 Exchange Server 订阅版。该漏洞允许具有本地服务器 ...

Microsoft has simplified the administration of Exchange Online licensing when used with Azure Active Directory, per a Friday announcement. IT pros that assign software licenses using the Microsoft 365 ...

After widespread complaints of blocked or sluggish email services, company says it has identified the problem and the ‘issue is resolved.’ Microsoft said Monday an outage that hit its Exchange Online ...

Microsoft still intends to turn off Basic Authentication for Exchange Online users on Oct. 1, but it is offering a possible grace period of about three months before ending it altogether. The new ...