Common ISBLANK questions usually focus on formula syntax, result meaning, and blank-cell behavior differences; this FAQ includes 3 common questions and a glossary.
FAQ
What do TRUE and FALSE mean in ISBLANK?
- TRUE means the referenced cell is empty.
- FALSE means the referenced cell already contains content or is not truly blank.
- If the result is unexpected, check for spaces, formulas, or hidden content.
Why does ISBLANK return FALSE when the cell looks empty?
- Check whether the cell contains spaces or hidden characters.
- Check whether another formula is returning an empty string in that cell.
- Clear the content and test again to see whether the result changes to TRUE.
How to use ISBLANK in WPS for blank cell checks?
- Select the result cell and type
=ISBLANK(cell_reference). - Press Enter to view the result.
- If you want custom text, combine ISBLANK with IF.
Glossary
| Term | Definition |
|---|---|
| ISBLANK | A logical function that checks whether a referenced cell is empty. |
| Cell reference | A location marker used in a formula to point to a cell, such as A1 or B2. |
| Empty string | A "" result returned by a formula. It may look blank visually, but it is not always the same as a truly empty cell. |