Nowday's lots of people are not using IE as their default browser which causes some issues when trying to view archived email or searching. Here is a work around if, like a lot of people, do not want to use IE as your default browser.
Mozilla FireFox IE Tab
IE Tab, an extension that enables you to use the embedded IE engine within Mozilla/Firefox.
The IE Tab extension is derived from the famous extension IE View, but much different.
While IE View always open IE-only pages in a separate Internet Explorer window, IE Tab can view them in a Mozilla/Firefox tab.