title: How to create a hierarchical csv file?
body: <p>I have following N number of invoice data in Excel and I want to create CSV of that file so that it can be imported whenever needed...so how can I archive this?</p>
  
  <h1>Here is a screenshot:</h1>
  
  <p><a href="https://i.stack.imgur.com/hYfy6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/hYfy6.png" alt="enter image description here"></a></p>