# Excel ISFORMULA Function

The Excel ISFORMULA function returns TRUE when a cell contains a formula, and FALSE if not. When a cell contains a formula ISFORMULA will return TRUE regardless of the formula's output or error conditions.

**reference**- Reference to cell or cell range.

You can use the ISFORMULA function to test a cell to see if it contains a formula. ISFORMULA returns TRUE when a cell contains a formula and FALSE if not.

Remember that you can *temporarily* display all formulas in a worksheet with a keyboard shortcut.

To extract and display a formula, use the FORMULATEXT function.

Notes:

- ISFORMULA was introduced in Excel 2013.

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