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At Microsoft, we believe AI should work for you—not the other way around. That’s why we’re introducing memory in Copilot, a new capability that makes your Copilot smarter, more helpful, and more in tune with how you work.

What is memory in Copilot?

Memory in Copilot is a new feature that allows Microsoft 365 Copilot to remember key facts about you—like your preferences, working style, and recurring topics—so it can personalize its responses and recommendations over time.

This includes:

• Copilot Memory: Copilot picks up on important details from your conversations, like “I prefer Python for data science” or “I’m working on Project Alpha,” and remembers them. Users can also tell Copilot “please remember I like using bullet points in my writing” and Copilot will log this as a memory.


• Custom Instructions: You can explicitly tell Copilot how you want it to behave—like “Keep my emails concise” or “Use a formal tone”—and it will apply those preferences automatically in future interactions.

Why It Matters

With memory, Copilot becomes more than just a helpful assistant—it becomes your assistant. It reduces repetitive input, speeds up task completion, and tailors its responses to your unique needs.

For example:

• If you’re based in Norway and ask about vacation policies, Copilot will personalize the answer based on your location, not other locations where your company is based.


• You can tell Copilot to remember to always generate images in icon size, as I use them in system diagrams so that you have the right image size every time.

You’re Always in Control

Transparency and control are built into the experience:

• You’ll see a subtle “memory updated” signal when Copilot remembers something new


• You can view, edit, or delete your memories anytime from the Settings pane.


• You can also turn memory off completely if you prefer.

What Copilot Will—and Won’t—Remember

Copilot only saves information when there’s a clear intent to remember. For example:

• “I prefer Python for all data science tasks” → remembered


• “Write Python code for k-means clustering” → not remembered

This ensures Copilot doesn’t make assumptions and only remembers what truly matters to you.

Memory and custom instructions are not currently available for Agents.

Try memory in Copilot

Make Copilot more tailored to you and your work by trying these two prompts:

1. Ask me 5 questions to learn more about my writing style


2. Ask me 10 questions about myself to get to know me better

Coming Soon: General Availability

Memory in Copilot will be generally available in July 2025. It will be on by default, but both users and tenant admins will have controls to manage it. Admins can disable memory across the organization or for specific users, and memory data is discoverable through Microsoft Purview eDiscovery when needed.