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.

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.

Microsoft Excel can perform thousands of different types of data manipulations and calculations. This article will teach you how to use Excel formulas to add a specific number of days to a date.

Every Excel expert knows how to navigate without a mouse and how to format data using keyboard shortcuts. But do you know how to insert a sum without typing the formula?

In Excel spreadsheets, complex formulas are difficult to enter without making mistakes. Microsoft Excel’s LAMBDA() function can make such errors easier to find.