Microsoft 365 services restored in Japan and China after major regional outage; here’s what disrupted services
Microsoft 365 services in Japan and China have been fully restored after thousands of users experienced widespread access and sign-in failures early Thursday. The regional outage affected essential tools including Outlook, Teams, OneDrive and Microsoft’s AI assistant Copilot, disrupting business operations and remote work across both markets. Sharing a post on microblogging platform X (formerly Twitter), the official page of Microsoft 365 Status said “After an extended period of monitoring, we confirmed that our mitigating actions resolved impact for users. For more information, please see MO1198797 in the admin center”.
What caused Microsoft 365 services outage in Japan and China
