In the digital office era, AI technology has revolutionized document processing, data analysis, and office automation, significantly enhancing efficiency and quality. This article introduces several AI-driven smart office tools, including WPS AI, CoolTable ChatExcel, Office Raccoon, AEE, and Gaodeng Financial AI Assistant. These tools simplify document processing, data analysis, and office workflows through intelligent services, offering functions such as smart document generation, spreadsheet analysis, data querying, automated logic operations, and financial report analysis.