How to calculate return on investment (ROI), the money an investment made relative to its cost, in Microsoft Excel.

To fix an Excel spreadsheet not adding up correctly, check the SUM function's syntax and make sure there aren't any text format cells in the sheet.

Excel and Google Sheets have three functions to calculate the internal rate of return: IRR, XIRR, and MIRR. Learn how these functions can calculate investment returns.

AI Copilot in Excel lets analysts write formulas in plain English instead of complex syntax. Copilot makes Excel more accessible by lowering the skill barrier for non-experts. Real-time, dynamic ...

Excel's new Copilot function turns your prompts into formulas - how to try it It's so much easier to create, summarize, and analyze data now - no complex manual formulas required.

Microsoft adds a new Copilot function to Excel, letting users generate, analyze, and summarize data directly in spreadsheet cells with AI.

Microsoft is adding a COPILOT function to Excel, letting you use natural language prompts inside formulas to analyze, summarize, and categorize data.