Microsoft 365 (Windows OS) Open Outlook: Launch the Outlook application on your computer. Add Account: In the new window, select Email Account and click Connect. Enter Account Information: Enter your Name, Email Address (your Microsoft 365 email address), and Password. Click Next. Outlook will automatically try to configure the account. Authenticate If prompted, enter your Microsoft 365 password and click OK. In some cases, you might be redirected to a Microsoft login page. Enter your email address and password there. Finish Setup: Once Outlook has successfully configured your account, click Finish. Restart Outlook (if necessary): If you don't see your emails immediately, restart Outlook. It should now sync with your Microsoft 365 account.