Learn how to how to increment numbers when value changes in another column. You can automatically fill increment cells in Excel such that the increment value across each cell remains constant.

Learn how to highlight cells with negative values in Excel. Make negative numbers stand out in Red using Conditional or Custom Formatting.

You can highlight cells with values above or below a specific number, between a numerical range, cells that match a specific value (number or text), or cells containing specific text.

How to highlight values Excel has a built-in conditional rule that highlights unique values. You don’t have to come up with a special formula—you just run though a few clicks.

If you select the "Fill Series" radio button, Excel fills the cells with dates that increment by one day, starting from the date you typed.

The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.