How to detect hidden columns causing “each column with data has a header” import error

using Coefficient excel Add-in (500k+ users)

Fix HubSpot's "each column with data has a header" error by using selective data export that gives precise control over which columns sync to your CRM.

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HubSpot scans all columns containing data and requires each to have a header, but hidden columns with spaces or formulas often trigger this error without clear diagnostic information.

The most effective solution involves using selective data export capabilities that give you precise control over which columns are included in your CRM sync.

Control exactly which columns sync to HubSpot

CoefficientHubSpotcircumvents this entire class of import errors by letting you explicitly choose which spreadsheet columns to export to. This automatically excludes hidden columns, empty columns with residual data, or formula columns that shouldn’t be imported.

How to make it work

Step 1. Connect your spreadsheet to HubSpot through Coefficient.

Install Coefficient and establish connections to both your Excel data and HubSpot account. This creates a direct data pipeline that bypasses HubSpot’s file import validation entirely.

Step 2. Select specific columns for export.

Use Coefficient’s field selection interface to choose only the data columns you want to sync. You can define specific cell ranges and exclude any problematic hidden columns or formula cells that trigger header validation errors.

Step 3. Preview your data selection before export.

Coefficient shows exactly which data will be exported before transfer occurs. This lets you verify that only intended columns with proper headers are included, regardless of what exists elsewhere in your spreadsheet.

Step 4. Set up scheduled exports with consistent column selection.

Configure automatic data exports that maintain the same column selection over time. This prevents future header errors even when your source spreadsheet structure changes or new hidden columns are added.

Avoid hidden column complications

Try CoefficientSelective data export eliminates the need to hunt down problematic hidden columns while giving you better control over your HubSpot data synchronization.to bypass column detection issues and maintain clean data exports.

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