What is a Microsoft account?

A Microsoft account is what you use to access many Microsoft devices and services. It’s the account that you use to sign in to Skype, Outlook.com, OneDrive

What's the difference between a personal Microsoft account and a work or school account? - Microsoft Community Hub

How to set up Security Key for Microsoft Account

Microsoft account security info & verification codes - Microsoft Support

How to Create a Microsoft Account

What are the different sorts of Microsoft accounts?

How to Delete a Microsoft Account

What's the difference between a personal Microsoft account and a work or school account? - Microsoft Community Hub

How to Go Passwordless on Your Microsoft Account

Microsoft Account: Creating a Microsoft Account

What is a Microsoft account?

PSA: You Can Run Windows 10 Without a Microsoft Account « Windows Tips :: Gadget Hacks