Microsoft confirms Outlook outage affecting Brazil and global users

Microsoft confirmed outages in Outlook and other Microsoft 365 services on Thursday, November 12, 2026, affecting users in Brazil and globally. The company identified server overload in its infrastructure and began recovery actions. The issue stemmed from Exchange Online, with Microsoft reporting unexpected server unavailability after integrity check failures, causing processing overload. Over 97,000 outage reports were logged for Outlook in the US, with Microsoft 365 and Teams also affected. Microsoft implemented traffic redirection, server restarts, and configuration changes to restore services. The company advised users to monitor official status channels and avoid changing passwords or reinstalling apps, while noting the incident highlighted business continuity concerns for cloud-dependent operations.