Of course not! If your file has 10 columns and you only want SKU number and quantity on hand from the file you will want to use the attribute 'Ignore' for the other 8 attributes you do not want to map into ecomdash. The ignore value is used as a placeholder for the column.
1. Navigate to Administration
2. Choose 'Inventory import/export'
3. Using the binoculars icon, click into the import format you created.
4. Add SKU number and Quantity in the correct column order that your file contains SKU and Quantity in. For all the other attribute columns, use 'Ignore' from the product field dropdown.