Yes. Microsoft Copilot has memory: Microsoft’s Copilot privacy controls page says it can remember key details and preferences from your conversations, such as your communication style, favorite topics, goals and recurring tasks.
As of November 11, 2026, in the Copilot app signed in with a personal Microsoft account, open Settings, select Personalization and turn off the Saved memories toggle to stop Copilot from saving new memories. Turning it off does not delete memories already saved. To remove them, select Manage next to Saved memories, then delete single items or choose Delete all memories.
Microsoft’s Copilot privacy FAQ says personalization is on by default where it is available, and that Copilot does not remember demographic or other sensitive data. It is not available in Brazil, China (excluding Hong Kong), Israel, Nigeria, South Korea or Vietnam, or to signed-out users. Work and school accounts are covered by separate Microsoft guidance.
Related: Does Microsoft Copilot train on your data?, How to export Microsoft Copilot data? and What is the ChatGPT memory limit?
Source: Microsoft Support, Microsoft Copilot for individuals: your privacy controls and choices; Microsoft Support, Privacy FAQ for Microsoft Copilot
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