You create a wiki page that has content on a Microsoft SharePoint 2010 site. When you view the wiki page in Internet Explorer 7, the wiki page is wider than the browser window. Additionally, the horizontal scroll bar does not appear.
To work around this problem, do one of the following:
In Internet Explorer 7, select part of the wiki page. When you do this, the layout of the page adjusts automatically.
Upgrade to Internet Explorer 8.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.