SharePoint Document Issues

How to Create an ISBLANK Status Formula for a SharePoint List

Bushra Parveen Oct 22, 2026 869 views

Question details

The user wants to set up a SharePoint list Status column that dynamically outputs "No" when a specific Number column is empty, and "Yes" when it contains a value.

How to Create an ISBLANK Status Formula for a SharePoint List

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Creating a dynamic status indicator in a SharePoint list using a calculated column and conditional formulas.
Observed behavior: Needing a reliable way to check if a column is blank and outputting specific text statuses based on the cell's state.

Before you start

Ensure you have the 'Manage Lists' or 'Edit' permission for the SharePoint list, and verify the exact internal name of the target Number column before creating the formula.

Solution 1Recommended

Create a Calculated Column Using the ISBLANK Function

This is the standard and most reliable method for checking if a SharePoint list column lacks data to dynamically return a specific text status.

By utilizing the IF and ISBLANK functions combined, SharePoint can automatically check a targeted column (like a Number column) and adjust the Status column instantly whenever list items are added or modified.

Access List Settings

Navigate to your SharePoint list. Click on the gear icon (Settings) in the top right corner and select 'List settings'.

Create a New Column

Scroll down to the 'Columns' section at the bottom of the settings page and click the 'Create column' link.

Configure the Calculated Column

Enter 'Status' as the Column name. Under the 'The type of information in this column is' section, choose 'Calculated (calculation based on other columns)'.

Input the ISBLANK Formula

In the Formula text box, type: =IF(ISBLANK([Number]),"No","Yes") . Make sure to replace 'Number' with the exact name of the column you are checking.

Save the Configuration

Under 'The data type returned from this formula is', select 'Single line of text'. Click 'OK' to save your new column.

Create a Calculated Column Using the ISBLANK Function

Syntax Tip: If your SharePoint site uses a regional setting where commas act as decimal separators, replace the commas in the formula with semicolons: =IF(ISBLANK([Number]);"No";"Yes")

Solution 2

Use an Alternative Formula for Empty Strings

Use this approach if the target column is populated by a workflow, Power Automate, or another formula that generates empty strings instead of true blanks.

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Frequently Asked Questions

Why does SharePoint show a syntax error when I save the calculated column?

Syntax errors in SharePoint formulas are usually caused by regional settings. If your region uses commas (,) as decimal separators, SharePoint requires semicolons (;) to separate formula arguments. Try changing your formula to =IF(ISBLANK([Number]);"No";"Yes").

How do I find the exact internal name of a SharePoint column?

Navigate to your SharePoint List Settings and click on the name of the column you want to check. Look at the web browser's URL bar; the text immediately following 'Field=' at the very end of the URL is the exact internal name you must use in formulas.

Can I use the ISBLANK formula for Date or Text columns?

Yes, the ISBLANK function works universally across Number, Single line of text, Date, and Choice columns in SharePoint lists to evaluate if the field is completely empty.

Why is ISBLANK returning False when the cell looks visibly empty?

This happens when a cell is populated with an empty string rather than a true null value, often caused by workflows or cross-column calculations. To fix this, use the alternative formula structure: =IF([ColumnName]="","No","Yes").

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