Microsoft tests fix for latest hours-long Outlook outage
In Brief Posted: 11:56 AM PDT · August 31, 2026 Image Credits: Jaap Arriens/NurPhoto / Getty Images Sarah Perez Microsoft tests fix for latest hours-long…
Summary
In Brief Posted: 11:56 AM PDT · August 31, 2026 Image Credits: Jaap Arriens/NurPhoto / Getty Images Sarah Perez Microsoft tests fix for latest hours-long Outlook outage Snow day? Microsoft on Monday confirmed a widespread, multi-hour outage affecting Outlook users, leading to email delays and failures, authentication issues, and other problems. In a post on X, Microsoft reported the issue was impacting its Exchange Online service, its cloud-hosted platform for business email, calendar, contacts, and tasks, and then said it had identified the problem. “We’ve confirmed that users may experience degraded functionality with various Exchange Online functionalities.
Positives
- The report adds a new data point to the technology market.
- The development may create new product, research, or competitive opportunities.
Risks & concerns
- Microsoft on Monday confirmed a widespread, multi-hour outage affecting Outlook users, leading to email delays and failures, authentication issues, and other problems.
- In a post on X, Microsoft reported the issue was impacting its Exchange Online service, its cloud-hosted platform for business email, calendar, contacts, and tasks, and then said it had identified the problem.
- ET on Monday, after an earlier message saying it was investigating user reports of Exchange Online problems.
- The company said that it identified an issue with an “authentication component” and is testing what it believes will be a remediation strategy with a portion of the infrastructure to determine if it resolves the problem.