float in Outlook Classic

Before

<img src="photo.jpg" style="float: left;
  margin-right: 16px;" width="200" />
<p>Text wraps around the image.</p>

After

<table role="presentation" cellpadding="0"
  cellspacing="0" border="0">
  <tr>
    <td width="200" valign="top" style="padding-right: 16px;">
      <img src="photo.jpg" width="200"
        style="display: block; border: 0;" />
    </td>
    <td valign="top">
      <p>Text next to the image.</p>
    </td>
  </tr>
</table>