在 No IE7 For 2k, Now In Extended Service 引用了 IEBlog 的 Windows 2000 moves into Extended Support after June 30th 這篇文章：

It should be no surprise that we do not plan on releasing IE7 for Windows 2000. One reason is where we are in the Windows 2000 lifecycle. Another is that some of the security work in IE7 relies on operating system functionality in XPSP2 that is non-trivial to port back to Windows 2000.

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