title: excel, combine multiple columns into one row
body: <p>Am new to this so any help would be greatly appreciated. 
  I have an excel spread sheet with multiple columns, and I want to combine several columns into one column but maintain the same row. i.e. </p>
  
  <pre><code>from:
  Name    Address         Phone1          Phone2          Phone3
  Joe box 5           123-456-7890    Null            312-778-2564
  Sue 3 w 2nd ST.     345-789-3214    156-879-5461    278-444-5687
  Mike    box 12          Null            666-879-4518    777-548-9851
  
  To:
  name    address     Phone
  Joe box 5       123-456-7890
              Null
              312-778-2564
  Sue 3 w 2nd ST. 345-789-3214
              156-879-5461
              278-444-5687
  Mike    box 12      Null
              666-879-4518
              777-548-9851
  </code></pre>