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.

How to Sum a Column of Zeros in Excel. You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of ...

Alternatively, since the cells are consecutive, you could also use the SUM feature to sum multiple columns in Excel, based on criteria. In this instance, you would place the cursor in the C10 cell ...

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

To sum a Column in a Microsoft Excel spreadsheet, you can use the AutoSum, the Status Bar, and even the Sum function to calculate values in one or more columns ...

I keep running into situations in Excel where I want to calculate a conditional sum, but my criterion is something along the lines of "Include cell B1 if cell A1 is a number, likewise B2 and A2 ...