I have an email design 650px wide, and two columns (325 px wide).

Email looks good in most clients, but in Outlook 2007, 2010 and 2013, Litmus shows the design broken.

It's like the columns don't fit anymore in the 650 container, so now they are displayed on separate rows, one under the other.
It is like some padding/margin is added somewhere.

Also, the font defaults to Times New Roman although I selected Verdana, Arial, Sand Serif.

All other clients (including Outlook 2000, 2002, 2003, 2011 and 2016) displays everything correctly.

Is there a gotcha for the Outlook versions above alone?

Any helpt would be highly appreciated. Thanks!