November 6, 2025—In a landmark announcement that could redefine enterprise AI compliance and privacy in the digital age, Microsoft has revealed plans to enable local data storage and processing for its Microsoft 365 Copilot platform by the end of 2025, allowing organizations in key markets including India and the UK to keep sensitive user data within national borders and reduce reliance on cross-border cloud transfers. Unveiled by CEO Satya Nadella during a virtual global developer summit on November 5, 2025, the initiative—dubbed “Copilot Data Residency