With DF 5.1, trying to use the new mouse wheel scroll on unfocused windows, it does not work with Outlook 2013 on Windows 7.

(BTW the DF Discussion Search Results page should really have a top link back to the discussion page for when results aren't found, or a new post page, or both.)

Might be related to Scroll wndows not in focus - IE problems.

I've found if the window in focus is IE, nothing will background scroll. Also if there's no window in focus (click on desktop), Outlook doesn't background scroll.

@Marc J is correct - the other focused program is IE10.

With IE10 having focus, unfocused scrolling does not work in other applications, including Outlook.

With IE10 not having focus, unfocused scrolling works in IE10.

With other applications having focus, unfocused scrolling works in Outlook 2013 and other applications.

Adding a compatibility rule for Outlook did not change this.

That work around doesn't work in my IE10/Win7 Enterprise setup

I just tested this in my Win7 Office2013 IE11 environment, and it is still not working. Adding a compatibility rule for alternate mouse scrolling did not help. I was trying to scroll the contents of the preview pane.

With IE11 having focus in a window, or in the address bar, Outlook will not scroll. Neither will Chrome.

My system has changed, I have Office 2016 with IE 11 on Windows 10 x64 now

The new version appears to work fine scrolling Outlook when IE 11 has focus, however.