有些事如何做: How to open HTML file as words not codes using notepad++?

I have article saved as HTML Formula and when I open that article by notepad++, the notepad++ open the article as codes not as words like that (<!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" <meta HTTP-equiv="Content-Type" content=" text/html; charset=UTF-8" />

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