Originally Posted by Winglets747

For those on Firefox, definitely add the (free) User Agent Switcher:
https://addons.mozilla.org/en-US/firefox/addon/59

From the Tools menu in FF you can select what browser FF displays itself as to other sites. Whenever I get a message saying only IE is supported for a site, I just select the IE option in the menu and continue on my way. I've never had it not work. ^