[WindowsCentral.com]

How do I completely close my Microsoft account?
Companies usually give you a bit of guff when you try deleting an account with them, but Microsoft has relatively few of hoops to jump through to do so. No matter the reason for deleting your account — switching to a new one, moving to a different OS, or just testing things out — the process remains the same. Here's how to do it.

Full story from the WindowsCentral blog...