Microsoft Office Tutorials and References
In Depth Information
• To display a sum only when all precedent cells contain values
Some of these formulas may be useful to you. If not, they may inspire you to create other conditional formatting
formulas.
This topic's website contains all the examples in this section. The file is named condi-
tional formatting formulas.xlsx.
To specify conditional formatting based on a formula, select the cells and then choose Home Styles Condi-
tional Formatting New Rule. This command displays the New Formatting Rule dialog box. Click the rule type
Use a Formula to Determine Which Cells to Format and you can specify the formula.
You can type the formula directly into the box, or you can enter a reference to a cell that contains a logical for-
mula. As with normal Excel formulas, the formula you enter here must begin with an equal sign (=).
The formula must be a logical formula that returns either TRUE or FALSE. If the formula
evaluates to TRUE, the condition is satisfied, and the conditional formatting is applied.
If the formula evaluates to FALSE, the conditional formatting is not applied.
Understanding relative and absolute references
If the formula that you enter into the Conditional Formatting dialog box contains a cell reference, that reference
is considered a relative reference, based on the upper-left cell in the selected range.
For example, suppose that you want to set up a conditional formatting condition that applies shading to cells in
range A1:B10 only if the cell contains text. None of Excel's conditional formatting options can do this task, so
you need to create a formula that will return TRUE if the cell contains text and FALSE otherwise. Follow these
steps:
1. Select the range A1:B10 and ensure that cell A1 is the active cell.
2. Choose Home Styles Conditional Formatting New Rule to display the New Formatting Rule dialog box.
See Figure 19-14.
3. Click the Use a Formula to Determine Which Cells to Format rule type.
4. Enter the following formula in the Formula box:
=ISTEXT(A1)
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