How to Use the ISBLANK Function in WPS on Windows

Use ISBLANK with 4 how-to topics on Windows in WPS Spreadsheets; choose a topic from the index and follow the steps to complete each task.

How-to Index

How-to Guide

1. Enter a basic ISBLANK formula

Entry point: Formula bar or target cell

1. Open WPS Spreadsheets and select the cell where you want to show the result.
2. Type =ISBLANK(.
3. Select the cell reference you want to check, such as A2.
4. Type the closing parenthesis ) and press Enter.
5. Check whether the result returns TRUE or FALSE.

Success Criteria

• UI state: The result cell shows TRUE or FALSE.
• Next actions: You can copy the formula or change the reference range.

Tips While Using

• Common mistakes: Missing parentheses or an invalid cell reference can prevent the formula from working.

2. Combine ISBLANK with IF

Entry point: Formula bar

1. Select the cell where you want to display the result.
2. Type a formula such as =IF(ISBLANK(B2),"To fill","Completed").
3. Press Enter to confirm.
4. Check the returned text based on whether B2 is blank.

Success Criteria

• UI state: The cell shows different results based on blank status.
• Next actions: You can fill the formula down to other rows.

Tips While Using

• Common mistakes: Incomplete quotation marks, commas, or parentheses can cause a formula error.

3. Check whether a cross-sheet reference is blank

Entry point: Formula bar

1. In the current worksheet, select the result cell.
2. Type =ISBLANK( and switch to another worksheet.
3. Click the target cell to insert the cross-sheet reference automatically.
4. Complete the closing parenthesis and press Enter.
5. Return to the result cell and review the result.

Success Criteria

• UI state: The formula contains a cross-sheet reference.
• Next actions: The result updates automatically after the source cell changes.

Tips While Using

• Common mistakes: Manually typed sheet names with the wrong format can break the reference.

4. Troubleshoot unexpected ISBLANK results

Entry point: Target cell and formula bar

1. If the result does not match your expectation, first check whether the referenced cell contains spaces.
2. Check whether the cell is returning an empty string from another formula.
3. Clear the cell content again and test the formula one more time.
4. If needed, press Enter again to confirm the formula.

Success Criteria

• UI state: After checking again, the result matches the actual cell state.
• Next actions: You can continue using the formula for batch blank checks.

Tips While Using

• Common mistakes: A cell may look empty but still contain spaces or a formula result, which can return FALSE.