How to sign in to or out of Outlook.com - Microsoft Support
If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.
Applies To:
Outlook.com
How to sign in to Outlook on the web - Microsoft Support
Sign in to Outlook on the web with your work or school account. Go to outlook.office.com. If you're not automatically signed in with your work or school account, follow the prompts to enter the email address and password for your work or school account.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, Outlook on the web for Exchange Server 2016
How to sign in to MSN - Microsoft Support
To sign in to MSN just select Sign in at the top right hand side of the page and enter your Microsoft account information. You can also sign in to MSN by signing into Outlook, Office, OneDrive or other Microsoft services available on the MSN homepage.
Set up Security info from a sign-in page - Microsoft Support
Follow these steps to set up your security info for your work or school account from the prompt. Important: This is only an example of the process. Depending on your organization's requirements, your administrator might have set up different verification methods that you'll need to set up during this process.