To change your password, proceed as follows.
You're now signed into your Outlook on the web account. If prompted, enter your password, then click Sign in.Enter the full email address for your Office 365 for business, Office 365 Education, or other Exchange-based email (for example, your email address is already visible on the Office 365 sign-in page, then simply click on the email address.Go to the sign-in page at Office 365 sign-in.Open your web browser or, if it's already open, open a new window.If you don't know your email address and password then contact the person who manages your email account to obtain these details before continuing. To sign in to your Outlook on the web account, proceed as follows. This article describes how to access Outlook on the web, and then use Outlook on the web to change your password. Outlook on the web (previously known as Outlook Web App, or OWA) is the web browser version of Outlook that is used by Office 365 or other Exchange-based users. Changing your password in Outlook on the web
