MC1539004 - Work IQ expands memory capabilities to agents
Microsoft 365 Message Center announcement MC1539004.
MS Message Center's Summary
Microsoft is introducing a new memory path for Work IQ that grants authorized agents read only access to user memory profiles including custom instructions and chat history insights. The rollout begins globally in December 2026. Administrators should review the default enabled policy in the Microsoft 365 admin center and confirm that organizational settings align with user privacy expectations.
- Administrator impact
- Administrators should review the default enabled memory read policy within the agent tools registry if they wish to restrict access.
- End user impact
- Users will experience more personalized agent assistance while retaining control through their personal settings.
- Importance
- 4/10: This update introduces new data access paths for agents that require administrative awareness regarding user data governance.
Microsoft Summary
Work IQ introduces a new MCP path, /memory/me/coreMemories, giving authorized agents read-only access to a user's personalized memory profile, including Custom Instructions, Saved Memories, and chat history insights. Rolling out globally in December 2026, access is controlled by default-enabled admin policies and respects user personalization settings.
- Message Center ID
- MC1539004
- Category
- plan For Change
- Severity
- normal
- Services
- Microsoft Copilot (Microsoft 365)
- Tags
- New feature, User impact, Admin impact
- Published
- 2026-11-05
- Last updated
- 2026-11-05
- Expires
- 2027-01-31
[What and why] A new Work IQ MCP path, /memory/me/coreMemories , gives authorized agents access to a user’s memory profile. This profile enables agents to provide more personalized and relevant assistance. At launch, it includes Custom Instructions, Saved Memories, and memories derived from chat history. The memory profile will continue to evolve and improve over time. [Rollout schedule] General Availability (Worldwide): Beginning in early December 2026 and expected to complete by late December 2026 [Impact on your organization] Who is affected Users whose agents have access to the Work IQ MCP server and whose applicable personalization settings allow the relevant information to be included in their memory profile Platforms and services Work IQ MCP Microsoft 365 Copilot What will happen A new /memory/me/coreMemories path in Work IQ MCP will provide a memory profile for the authenticated user. The path supports only the fetch tool. Memory cannot be written or modified through Work IQ MCP. Only the authenticated user’s memory profile is available. A user’s memory profile is not shared with other users. Work IQ MCP has a new policy that controls access to memory through Work IQ MCP at Microsoft 365 Admin center > Agents > Tools > Registry > Work IQ MCP > Policies . Like other read policies, this policy is enabled by default. If Enhanced personalization is disabled, Copilot Memory is disabled and is not available through the MCP path. User personalization settings in Copilot Chat > Settings > Personalization are respected:If Customize Copilot is disabled, Custom Instructions are not included in the memory profile. If Saved memories is disabled, saved memories are not included in the memory profile. If Chat history & work insights is disabled, insights from chat history and Microsoft 365 activity are not included in the memory profile. Changes to the Enhanced personalization control and to the user settings may take up to 48 hours to take effect. [ Action required and recommendations] No admin action is required. Admins who want to manage access to memory through Work IQ MCP can review the memory read policy at Microsoft 365 Admin center > Agents > Tools > Registry > Work IQ MCP > Policies . [Compliance considerations] Does the change include an admin control? Yes. Work IQ MCP has a memory read policy under Microsoft 365 Admin center > Agents > Tools > Registry > Work IQ MCP > Policies . The policy is enabled by default.