What started as Bing Chat in 2023 later turned into Copilot and a tidal wave of service renaming as Microsoft tried to push its AI efforts into every corner of its product portfolio. As a result, Microsoft has over a dozen Copilots, some of which try to cannibalize well-established service names, leading to confusion and frustration among users. At one point, reports spread about Microsoft renaming Office apps to Microsoft 365 Copilot, forcing the company to issue a statement.