Microsoft 365 Copilot Tuning lets you create fine-tuned, task-specific AI models that write like your experts. Using a zero-code approach in Copilot Studio, organizations can customize AI to handle complex tasks—like legal drafting or medical papers—while keeping data secure and private. Unique :

Microsoft 365 Copilot Tuning: Write Like You Do
Microsoft just leveled up its 365 Copilot with a powerful fine-tuning feature. Now, you can create task-specific AI models that write and reason exactly like your experts. No coding or data science skills needed.
What’s New with Copilot Tuning?
Copilot Tuning lets you build fine-tuned models tailored to your organization’s tone, style, and expertise. It’s perfect for complex tasks like drafting legal contracts, writing technical docs, or medical papers. This approach attaches detailed reference info directly to the model, making responses highly accurate and context-rich.
“Fine-tuning adds new skills to foundational models, simulating experience in the tasks you teach the model to do.”
Unlike traditional AI customization that requires heavy coding, Microsoft’s zero-code Copilot Studio makes it accessible to everyone. You simply upload your data, label examples, and train the model — all while keeping your data secure and private.
Major Updates: Privacy and Control
One standout feature is enterprise-grade security. Your data stays in place, respecting existing access and protection policies. The fine-tuned models and their knowledge remain exclusive to your team or departments. Microsoft emphasizes that this info is never merged into shared large language models or used for broader training.
“The model remains exclusive to your organization and only the people and departments you specify.”
This means you get powerful AI assistance without risking data leaks or compliance issues — a huge win for regulated industries.
How Fine-Tuning Works in Practice
Fine-tuning differs from Retrieval Augmented Generation (RAG). Instead of pulling info on-the-fly, it embeds task-specific knowledge directly into the model. This makes responses more precise and nuanced. For example, a fine-tuned legal model can draft a 14-page contract with firm-specific language and details, compared to a generic 4-page summary from the base model.
Jeremy Chapman from Microsoft 365 product team highlights how this “simple, zero-code approach helps agents write and reason like your experts — delivering high-quality, detailed responses.”
Getting Started with Copilot Studio
To create your own fine-tuned model, head to Copilot Studio. Name your model, select a task type like document generation or expert Q&A, and upload your labeled data. The platform guides you through the process, making AI customization straightforward and efficient.
Once deployed, these models power Copilot agents that automate work using your organization’s tone, structure, and standards. It’s a game-changer for boosting productivity and maintaining brand consistency.
Why It Matters for Tech Pros
Copilot Tuning empowers IT and business teams to harness AI without needing machine learning experts. It blends advanced AI with enterprise security, making it ideal for specialized workflows. Plus, it helps organizations scale AI adoption faster with less risk.
In short, Microsoft 365 Copilot Tuning is a smart, secure way to personalize AI and get it to work just like your best people.
From the New blog articles in Microsoft Community Hub