Microsoft is integrating its Copilot AI deeper into Excel, evolving it from a spreadsheet tool into a business reasoning platform where users can describe a problem in plain language and have Excel build the model, analysis, and insights automatically. Brian Jones, the lead for Excel at Microsoft, confirmed this vision in response to a user prompt on X/Twitter, stating that Copilot will make Excel easier to use and save time by helping users get to the right insight faster. Jones noted that Excel has always been the ultimate decision-making tool, and the evolution will see AI and Excel become "tighter and tighter" in how they work together. The integration aims to unlock complex features for users who may not know what to ask, allowing Copilot to provide additional assistance beyond basic spreadsheet functions.