Pick the template you want to edit from the Open menu. Double click on the object in the edit screen. Right click on the cell you want to edit. Adjust the cell height as desired. You can also click and drag the borders of the cell. File>Save the label template.
Pick the template you want to edit from the Open menu. Double click on the object in the edit screen. Right click on the cell you want to edit. Adjust the cell height as desired. You can also click and drag the borders of the cell. File>Save the label template.