A recent Microsoft service disruption began on November 12, 2026, and continued into November 13, causing issues for businesses worldwide. In India, this outage impacted internal communications and customer operations for companies of all sizes.
On November 13, Microsoft reported progress in fixing the problem, which affected email access and workplace tools globally. In India, telecom companies faced challenges as employees couldn’t send emails or alerts to customers, leading to increased call-center traffic. Startups and large corporations alike were affected, with some relying on backup systems to manage disruptions.
Airlines also felt the impact, with customer support delays reported by IndiGo, Akasa Air, and others. India’s CERT-In issued a security advisory regarding vulnerabilities in Microsoft products, though it didn’t link them directly to the outage.
Microsoft identified Exchange Online as the main service affected, causing issues with Teams, Copilot, and SharePoint. Despite this, core messaging and meetings remained mostly functional. By November 13 evening, improvements were seen in North America, Europe, and Asia-Pacific, but some intermittent problems persisted.
Experts warned of increased risks when employees turn to personal email or unauthorized services during outages. Calls for reduced dependence on single technology providers and more diverse ecosystems were raised.
The outage also affected government services in countries like Singapore and Britain, where healthcare staff faced challenges accessing patient details. Overall, the incident highlighted the need for backup systems and tested continuity plans to mitigate such disruptions.