title: Excel: Do nothing if cell is not blank else copy data from another cell
body: <p>I have an excel sheet that looks like this </p>
  
  <pre><code>     E       F 
  
               red
               yellow
       blue     
       green
  </code></pre>
  
  <p>I want to copy data from F column to E if E is not empty.</p>
  
  <p>I came with a formula that looks like this:</p>
  
  <pre><code>=IF(NOT(ISBLANK(E3));F3;"")
  </code></pre>
  
  <p>This works great for "red" and "yellow". However, craps out on "blue" and "green" and replaces those entry with empty cells.</p>
  
  <p>Can someone help me in modifying the formula to suit my needs.    </p>