The ISNONTEXT function checks whether a value is not text. It returns TRUE if the value is not a text string and FALSE if it is a text string.



value The value to check whether it is not a text string.


When you need to quickly determine if a cell contains something other than text, the ISNONTEXT function in Excel comes to your rescue. This handy function evaluates a given value and verifies whether it is not a text string. It simplifies the process of identifying non-textual data within a worksheet, which can be particularly useful for data validation or conditional formatting tasks. By utilizing ISNONTEXT, you gain a straightforward method to differentiate between text and other data types effectively, enhancing the efficiency of your Excel workflow.


Suppose cell A1 contains the value 25. To check if this value is not text, you can use the formula: =ISNONTEXT(A1). This will return TRUE.

If cell B1 contains the text 'Hello', applying the formula =ISNONTEXT(B1) will result in FALSE, as 'Hello' is considered a text string.


How does the ISNONTEXT function differentiate between text and non-text values?

The ISNONTEXT function identifies non-text values based on their data type. If the value provided is not a text string, the function returns TRUE; otherwise, it returns FALSE.

Can the ISNONTEXT function recognize numbers as non-text values?

Yes, the ISNONTEXT function interprets numbers, dates, times, and other non-text data types as non-text values. It solely focuses on identifying whether the input is a text string or not.

How can the ISNONTEXT function be helpful in data validation processes?

In data validation tasks, ISNONTEXT can assist in quickly distinguishing between text and non-textual data within a dataset. By promptly identifying non-text values, you can streamline error-checking processes and ensure data consistency.

Related functions