Make sure you log into the webmail at: https://mail.office365.com first to change your password if you have not already done so.


Without a change of password you will not be able to set-up emails on outlook.


Once the password is changed you can use the instructions at the following link to setup your email account for all versions of office: https://support.office.com/en-gb/article/Outlook-email-setup-6e27792a-9267-4aa4-8bb6-c84ef146101b


The majority of people with be running either Office 2013/2016 or Office 2010.