To log into Outlook, navigate to the Microsoft account login page (https://outlook.live.com/) and enter your e-mail address and associated password. If the e-mail address is already saved on the login page, select it, enter your password, and select Sign In.How do you sign in to a Microsoft account?
Sign in to your PC using a different Microsoft account On your PC, select the Settings charm. Select Change PC settings. Select Users. Under Other users, select an account. If needed, select Add a user and enter the email address and password for the Microsoft account you want to use.