title: Concatenate cell data into another data if values matches
body: <p>I have two <code>columns A and B</code> in same excel sheet. I am trying that if in <code>Column B</code> two values matches then it should copy related value <code>A</code> in same row.</p>
  
  <p>For e.g</p>
  
  <p>Table</p>
  
  <pre><code>Column A      Column B
  xyz              1
  abc              1
  pqr              1  
  eee              2
  qqq              3
  www              4
  oop              5
  </code></pre>
  
  <p>Desierd Output</p>
  
  <pre><code>column A         Column B
  xyz,abc,pqr         1
  eee                 2
  qqq                 3
  www                 4
  oop                 5 
  </code></pre>