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

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.

You can wrap text in Excel in several ways to ensure that all the text in a cell is visible at once. You may also want to edit the cell height.

Adding color creates a great visual effect, but did you know that you can evaluate values by color? Use this technique to turn color into valuable information.