World News Source-linked briefing

Microsoft Outlook outage: What is Exchange Online, the technology behind Microsoft's email service?

Microsoft's Exchange Online outage disrupted Outlook, Teams, Copilot and other Microsoft 365 services globally. As recovery continues, here's what Exchange Online is, how it powers Outlook email and…

Abhinav Yadav

Original contributor via Wion

| November 13, 2026 | 1 min read | Updated Nov 14, 2:00 AM

Microsoft Outlook outage: What is Exchange Online, the technology behind Microsoft's email service? — Image supplied with the source report: Wion.

Microsoft's Exchange Online outage disrupted Outlook, Teams, Copilot and other Microsoft 365 services globally. As recovery continues, here's what Exchange Online is, how it powers Outlook email and…

Microsoft's Exchange Online outage disrupted Outlook, Teams, Copilot and other Microsoft 365 services globally. As recovery continues, here's what Exchange Online is, how it powers Outlook email and why its disruption affected multiple workplace applications.

Source disclosure

This is a source-linked briefing. Read the original report from Wion .