You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.

Excel's GROUPBY function lets you group and aggregate data based on certain fields in your table of data. It also offers arguments that allow you to sort and filter your data, so you can tailor ...

Boolean logic: The method used to evaluate conditions, returning either TRUE or FALSE. Logical functions: The primary logical ...

Learn how the new Excel AI Copilot feature simplifies data management, reduces errors, and saves time with advanced ...

Need a formula for your Excel spreadsheet in a flash? Try ChatGPT. In this guide, we'll show you how to write Excel formulas using ChatGPT.