When using ISTEXT, users usually ask about 3 issue types: formula errors, syntax guidance, and unexpected results; this section answers 3 common questions.
FAQ
What should I do if the ISTEXT function shows an error?
- Check whether the formula starts with
=. - Confirm that the function name is spelled
ISTEXTand that the parentheses are complete. - Review whether the parameter count and reference position are correct.
- If a syntax prompt is visible, re-enter the parameter by following that prompt.
How can I view the parameter guidance for ISTEXT?
- Select any cell and type
=ISTEXT(. - Check the syntax prompt shown in the formula editing area.
- Continue entering the formula after confirming the parameter format.
Why does the ISTEXT result not match what I expected?
- Check whether the referenced cell content is actually stored as text.
- A value that looks like a number may still be stored as text, which can affect your expectation of the result.
- Review any nested formula logic or cross-worksheet references.
- After changing the source data, confirm that the result has updated again.
Glossary
| Term | Definition |
|---|---|
| ISTEXT | A function that checks whether a specified value is text and returns TRUE or FALSE. |
| Syntax prompt | The parameter and format guidance shown while entering a function. |
| Nested calculation | A formula structure where one function is used inside another function. |