Learn how to sum and count Excel cells by color with 3 easy methods. Save time, reduce errors, and boost your data analysis skills today ...

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.

In Microsoft Excel, if a cell contains a formula that results in an error, a triangle appears in the top-left corner of the cell. The triangle is an error indicator.

Select all the card cells you want to clean up (hold Ctrl to select multiple at once). Go to Home > Conditional Formatting > New Rule. In the rule description, set Cell Value equal to 0. Click Format, ...