title: Clean up date/time data so Excel recognizes it
body: <p>I have a column with the following date/time data and Excel doesn't recognize it as a date or time field. Does anyone know of an easy was to make this data usable?</p>
  
  <p>Thanks in advance!</p>
  
  <p><strong>Current Data:</strong></p>
  
  <pre><code>Completion Time Column
  11/25/2013 @ 3:06PM
  02/07/2012 @ 5:59PM
  11/24/2013 @ 9:07AM
  05/09/2013 @ 9:09AM
  05/24/2013 @ 11:34AM
  03/10/2013 @ 10:40PM
  10/18/2012 @ 12:07PM
  05/06/2014 @ 11:16AM
  07/08/2014 @ 11:30AM
  07/22/2014 @ 6:16PM
  07/31/2014 @ 4:43PM
  </code></pre>
  
  <p><strong>Cleaned Up Data (yyyy-mm-dd hh:mm):</strong></p>
  
  <pre><code>Completion Time Column
  2013-11-25 15:06
  2012-02-07 17:59
  2013-11-24 09:07
  2013-05-09 09:09
  2013-05-24 11:34
  2013-03-10 22:40
  2012-10-18 12:07
  2014-05-06 11:16
  2014-07-08 11:30
  2014-07-22 18:16
  2014-07-31 16:43
  </code></pre>