Can you use Microsoft icons commercially?

Could you elaborate on the legality and considerations surrounding the commercial use of Microsoft icons? Specifically, I'm curious to know if it's permissible to utilize these icons in my business operations, perhaps on websites, marketing materials, or software interfaces. What are the potential legal risks or constraints I should be aware of? Furthermore, if such use is indeed permissible, are there any guidelines or best practices I should adhere to in order to avoid any potential infringement of Microsoft's intellectual property rights? I'd appreciate your insight into this matter.