Creating a formula in Excel can make data tasks much easier! You start by selecting a cell and typing an equals sign (=), then enter the function or operation you need like SUM, AVERAGE, or simple arithmetic like addition. For example, "=A1+B1" adds the values in cells A1 and B1. Have you worked with Excel formulas before, or are you tackling a new project that requires them? I'm here to help with any formula specifics or tips you might need!