Convert from 12 hour time to 24 hour time in excel
<p>I need to convert from 12 hour time to 24 hour time in excel.</p>

<p>I have it on this format:</p>

<p>11/13/2016 7:00:02 AM </p>

<p>I need it to be like this</p>

<p>11.13.2016 07:00:02</p>

<p>How could this be done? I have approximately 1000 cells that need to be converted. </p>