Microsoft Copilot Offers Unlimited Free Access to Voice and Think Deeper Washington, 26 Feb (ONA) --- Microsoft announced the rollout of new AI-powered features for all Copilot users, offering free, unlimited access to Voice and Think Deeper, powered by OpenAIs o1 model. The Copilot Team said Voice now supports longer conversations, while Think Deeper addresses tougher questions. Users can use Voice to learn simple phrases in a new language, conduct ...