Microsoft Excel is the world's most widely used spreadsheet software, designed for organizing, analyzing, and visualizing data through rows, columns, and formulas. As part of Microsoft Office (now Microsoft 365), Excel serves as the foundational tool for financial modeling, data analysis, reporting, and business intelligence across industries. Excel's power lies in its formula engine—a sophisticated calculation system that transforms static data into dynamic insights. Modern Excel has evolved beyond simple spreadsheets to include Power Query for data transformation, Power Pivot for data modeling, dynamic arrays that spill results automatically, and even custom functions via LAMBDA—making it a complete data platform without requiring programming expertise.

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