Copilot in Excel is an intelligent assistant integrated into Excel, developed by Microsoft. It uses natural language processing and machine learning technologies to help users analyze and understand data more efficiently. Key benefits of Copilot in Excel include streamlined data formatting, automation of repetitive tasks, formula suggestions, conditional formatting execution, data analysis, and visualization. It supports the Python programming language, allowing users without specialized programming skills to perform advanced data analyses. The introduction of Copilot in Excel marks a significant advancement in data analysis and decision-support tools, lowering the barrier for more non-technical users to easily gain insights from data.