Microsoft 365 Web Services Hit by Google Chrome 147 Compatibility Issue

Microsoft is investigating a compatibility-related authentication failure affecting users accessing Microsoft 365 web apps (Outlook on the web, Teams web client, SharePoint Online, OneDrive) via Google Chrome version 147; the issue prevents sign-in and app loading for some authentication configurations. Microsoft provided frequent status updates on April 16, 2026, and recommended temporary workarounds such as refreshing the page, switching browsers, or using desktop apps while engineers remediate the backend configuration.