We show you how to use the SUM formula in Excel, how to use the AutoSum feature and how simple additions with the plus sign work.

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.

The Autosum function can be used to add or sum Time in Microsoft Excel. You can add hours and calculate the total time in 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.

Wondering how to sum cells with text and numbers in Excel? We've got you covered right here with three different methods.

Wondering how to use VLOOKUP to sum multiple rows in Excel? We've got you covered right here with our helpful guide.