When using conditional tags in HTML for email marketing, outlook emails do not capture all of the tracking information in the URL.
We are currently evaluating this issue for a fix in a future service pack.
Steps to Duplicate
1. Click Marketing & Communications tab 2. Click Email Marketing 3. Click add email 4. Add the HTML desired for email with conditional tags around the button you would like to track 5. Send email to using Direct Marketing 6. Hover over button where the tracking was desired and see that the URL does not contain all the tracking information