It's designed for Internet Explorer, with other, feature-limited versions loaded if you are using Firefox, Opera, etc. In short, there's nothing you can do except use Internet Explorer for certain tasks as it's on Microsoft's end.
Running: XP/SP3, Opera/9.6, IE/7, Hotmail
I can send Hotmail in RTF (Rich Text Format) just fine in IE but can't do so in Opera. Do I need to configure Opera in some way to enable me to use the RTF option in Hotmail?