For over 99 percent of Windows users, Explorer is the tool used to manage files, be it moving, deleting, renaming, or even finding and opening. In Windows 8, Microsoft is giving Explorer the Ribbon UI interface that's slowly pervading the company's software offerings. While realizing that the Ribbon UI isn't a popular design choice by its users, Microsoft program manager Alex Simons explained in a blog post why it was the best way to go for Windows 8.
2DayBlog.com, Microsoft tweaks Windows Explorer for Windows 8 migration