Do you need Microsoft 365 Copilot, or Microsoft 365 Copilot Chat? What about just plain old Microsoft Copilot, or Microsoft Copilot Studio? These, of course, shouldn’t be confused with its older offerings like Microsoft Copilot Pro, or Copilot+ for PCs. Last week, it reported that it had sold 15 million Microsoft 365 Copilot “seats” or annual users, out of 450 million Microsoft 365 business subscribers over all. More on Microsoft: The CEO of Microsoft Suddenly Sounds Extremely Nervous About AI