Use conditional formatting to format cells based on the cell’s value.
To Add Conditional Formatting:
- Select a range of cells to which you want to apply conditional formatting.
- HOME >> Styles group >> Conditional Formatting
- Type a value and format then click OK

Highlight Cell Rules:
Use this to highlight all cells greater than a certain value, less than a certain value, all values that contain a certain element, etc.
HOME >> Styles group >> Conditional Formatting >> Highlight Cell Rules >> Greater Than
Top/Bottom Rules:
Use this to highlight the top 10 cells, cells in the top 10 percent, cells above average, etc.
HOME >> Styles group >> Conditional Formatting >> Top/Bottom Rules >> Top 10 items

Data Bars:
Use this to insert a horizontal bar (similar to a Bar chart) in each cell to visually represent the value of that cell, relative to all the other cells
HOME >> Styles group >> Conditional Formatting >> Data Bars
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