Go to and sign in with your work or school account username and existing password. Sign in to Outlook on the web with your work or school account If you're not signed in with the account you want, select Sign out and start the process again, or select Sign in with a different account and follow the prompts using the work or school account you want to access. Not sure which account you're signed in with? Select Account manager in the Outlook navigation header. Note: If you signed in with a Microsoft account such as an, Hotmail, Live, or MSN email account instead of your work or school account, sign out, and then sign in again using the correct account.