To copy the same formula to other cells in Excel is easy, and you can use keyboard shortcuts, AutoFill or Copy and Paste command.

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.

Sometimes it's necessary to split cells in a spreadsheet, and Microsoft Excel makes it easy enough to do.

Microsoft Excel has numerous powerful data analysis functions, but sometimes you need to do something simple like merge some cells. Here's how.

Microsoft Excel updates cell references when you copy an expression. Here are a couple of workarounds for those rare occasions when you don't want to change the cell references.