On July 9, 2025, Microsoft Outlook users worldwide experienced a significant service disruption that lasted for several hours, preventing access to email accounts across web, desktop, and mobile platforms. The outage began around 6:20 p.m. Eastern Time on Wednesday and continued into Thursday morning, affecting millions of users globally. Scope and Impact of the Outage
The disruption was extensive, impacting Outlook.com, Outlook mobile apps, and desktop clients. Users reported issues such as...