💡 Our Technical Review in summary
Summary
- Microsoft is enhancing the “Memory” feature in Microsoft 365 Copilot to provide more personalized and contextual responses.
- The update allows Copilot to utilize a user’s chat history to better understand intent and deliver tailored information.
- A redesigned user interface for “Memory” settings will be introduced, giving users improved visibility and control over their saved interactions.
Impact
- User Experience: Interactions with Copilot will become more context-aware, reducing the need for users to repeat background information from previous sessions.
- Data Processing: This update changes how existing customer data (chat history) is processed to generate AI responses. While it improves personalization, it involves a deeper integration of historical chat data into the active reasoning model.
- Control and Governance: Existing tenant-level and user-level Memory settings will be honored. If Memory is currently disabled for your organization, it will remain disabled.
- Transparency: Users will gain access to a refreshed settings page where they can manage what Copilot remembers, providing a self-service way to clear or toggle personalization.
- Timeline: Public Preview begins mid-November 2025, with General Availability scheduled for early January 2026.
Action Required
- Update Internal Documentation: Review and update internal training materials or FAQs to reflect the new Memory settings interface and the personalization capabilities.
- User Communication: Notify users of the change, specifically highlighting that Copilot will now remember context from previous chats to improve accuracy, and inform them of their ability to manage this data through the settings menu.
- Policy Review: Verify that your organization’s current stance on Copilot Memory aligns with your data retention and privacy policies, as the scope of data processed for response generation is expanding.
- Technical Readiness: No direct admin configuration is required to enable this if Memory is already active, but admins should familiarize themselves with the Microsoft Graph resources (enhancedPersonalizationSetting) for future programmatic management.
Microsoft Official Update
Service: N/A
Category: stayInformed
Severity: normal
Updated November 12, 2025: We have updated the timeline. Thank you for your patience.
[Introduction:]
We’re updating Memory in Microsoft 365 Copilot to improve personalization and enhance the user experience. With this update, Copilot will personalize responses using chat history, helping users receive more relevant and contextual replies. We’re also introducing refreshed user controls in Copilot settings to make it easier to view and manage Saved Memory. This will be available to all Copilot Chat users.
Control over personalization using chat history is also available, with details for users via the settings screen.
[When this will happen:]
- Public Preview (Frontier): Begins rolling out mid-November 2025.
- General Availability: Begins early January 2026 (previously early November 2025).
[How this affects your organization:]
All users of Microsoft 365 Copilot in tenants where Memory is enabled.
What will happen:
- Copilot will use chat history to personalize responses, making interactions more tailored and helpful:
- Users will see a redesigned Memory settings page that improves visibility and control over what Copilot remembers.
- Existing admin and user-level Memory settings are respected. If Memory is toggled off, it will remain off.
- No changes to admin controls or policy enforcement.
[What you can do to prepare:]
- Review the updated Memory settings experience with your users once available.
- No admin action is required unless you wish to update internal documentation or training materials.
Learn more:
- Enhanced personalization control overview | Microsoft Graph | Microsoft Learn
- enhancedPersonalizationSetting resource type | Microsoft Graph | Microsoft Learn
[Compliance considerations:]
| Does the change alter how existing customer data is processed, stored, or accessed (e.g. documents, emails, chats, etc.)? | Yes. Copilot will now use chat history to personalize responses, which changes how existing customer data is processed to generate contextual replies. |
| Does the change introduce or significantly modify AI/ML or agent capabilities that interact with or provide access to customer data? | Yes. This update enhances Copilot’s personalization model by incorporating chat history, allowing it to generate more tailored responses. |
| Does the change provide end users any new way of interacting with generative AI? | Yes. Users will receive more personalized and contextual responses from Copilot based on their prior chat interactions. |
| Does the change allow a user to enable and disable the feature themselves? | Yes. Users can manage what Copilot remembers through the updated Memory settings page in Copilot settings. |
