The email address or phone number you want to add or remove is not listed.The following are some reasons you may wish to make changes: You can change the email addresses or phone numbers (aliases) associated with your Microsoft account. Why Change Microsoft Account Email Address or Phone Number? The primary alias you choose will be the username you use to sign in to your account, the username you see on your Windows 11/10 devices, and the name recipients see when you send an email. Each of your aliases has its password, and you can send and receive an email with it. Microsoft accounts have aliases that don’t use duplicate contacts, online storage, subscriptions, or account settings, but they integrate the same email addresses and phone numbers via your Microsoft account.Įach alias lets you sign in to all your Windows 11/10 devices and services that use the Microsoft account. With Microsoft accounts, you can add up to ten email addresses or phone numbers. Microsoft Accounts let you manage all of your Microsoft products and services, such as Xbox Live and, OneDrive, Skype, Windows 11/10, and more. Are you wondering about changing your email address and mobile number in your Microsoft account? In this guide, I will let you know how to change it.