RemixIconEx.Logos.microsoft

You're seeing just the function microsoft, go back to RemixIconEx.Logos module for more information.
Link to this function

microsoft(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Logos.microsoft()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M11 5H5v6h6V5zm2 0v6h6V5h-6zm6 8h-6v6h6v-6zm-8 6v-6H5v6h6zM3 3h18v18H3V3z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}