Formula Errors

How to Fix an Excel Conditional Formatting Formula Returning FALSE Incorrectly

Ayan Masood Oct 21, 2026 869 views

Question details

The user needs to fix a conditional formatting rule that incorrectly evaluates to FALSE, resulting in the wrong cells (or no cells) being highlighted across a large data range.

How to Fix an Excel Conditional Formatting Formula Returning FALSE Incorrectly

Product: Excel
Device & OS: not provided
Scenario: Applying a multiple-condition rule (checking dates and blank/non-blank values) to a large range of rows, such as rows 1 through 1000.
Observed behavior: The formula evaluates to FALSE incorrectly, causing the rule to fail or highlight offset cells instead of the intended target cells.

Before you start

Ensure you know exactly which cell is the active cell (usually the top-left cell) in your highlighted range before creating your conditional formatting rule.

Solution 1Recommended

Align Formula Row References with the Active Cell

The most common reason a conditional formatting formula highlights the wrong cells is a mismatch between the formula's row reference and the active cell in your selected range.

When applying a relative formula to a range, Excel calculates the offset based on the active cell in your selection. If you select rows 1 through 1000 but write a formula referencing row 2, every highlighted cell will be offset by one row.

To fix this, the row number in your relative-reference formula must identically match the row number of your active cell.

Select the target range

Click and drag to select the complete range where the formatting should apply (e.g., rows 1 through 1000). Ensure the selection starts at row 1.

Verify the active cell

Check the Name Box (next to the formula bar) to confirm the active cell. If you started selecting from row 1, the active cell will be in row 1.

Enter the new formula

Go to Home > Conditional Formatting > New Rule > Use a formula to determine which cells to format. Enter your relative formula matching row 1: =AND(I1<TODAY(),O1="",E1<>"")

Test and verify

Click Format to set your desired highlight, click OK, and apply the rule. Verify that the correct cells are now highlighted.

Align Formula Row References with the Active Cell

Helper Column Testing: If you still experience issues, test your formula by pasting it into a blank column (e.g., cell Z1). Drag it down to see exactly which rows return TRUE and which return FALSE to identify unrelated calculation errors.

Solution 2

Lock Column References for Highlighting Entire Rows

If your goal is to highlight an entire row based on conditions met in specific columns (like columns I, O, and E), you need to lock the column letters using absolute references.

Data Formatting Simplified

Easily Manage Conditional Formatting with WPS Spreadsheet

WPS Spreadsheet provides an intuitive Conditional Formatting Manager that makes it easy to apply, edit, and troubleshoot complex formula rules across large datasets. Fully compatible with Microsoft Excel, it simplifies data analysis while saving you money.

1. Open your workbook: Launch WPS Spreadsheet and open your existing Excel file.
2. Select your data range: Highlight rows 1 through 1000, ensuring your top-left cell remains the active cell.
3. Create a new rule: Navigate to the Home tab, click Conditional Formatting, and select New Rule.
4. Apply your formula: Choose 'Use a formula to determine which cells to format', enter =AND(I1<TODAY(),O1="",E1<>""), set your format, and click OK.

Fully compatible with Microsoft Excel .xlsx and .xls formatsIntuitive and easy-to-use Conditional Formatting rule managerReal-time preview of formatting changesLightweight, fast, and free to download

Frequently Asked Questions

Why does my conditional formatting highlight the row below the one I want?

This offset error occurs when the row referenced in your formatting formula does not match the active cell of your selection. For example, if you selected A2:A100 but wrote the formula for A3, Excel shifts the formatting down by one row. Always ensure the formula's row number matches the active cell's row number exactly.

Can I use absolute references in conditional formatting?

Yes. You can use absolute references (using the $ symbol) to lock specific columns or rows. For instance, using $A1 locks the condition to column A but allows it to evaluate each row independently, which is essential for highlighting entire rows based on a single column's value.

How do I troubleshoot a complex AND/OR conditional formatting formula?

The easiest way to troubleshoot is to copy your conditional formatting formula into a blank column within your spreadsheet. Drag the formula down your data range. The cells will display TRUE or FALSE, allowing you to easily spot where the logic is failing before applying it to the conditional formatting manager.

Excel & Data Problems