How to setup and use an Exchange Online Office 365 email account
Various versions of outlook on Pc & Mac
Instructions to setup your email account in various versions of Outlook on Pc & Mac are available at the link below.
Set up office apps and email on a mobile device
The following link has instructions to setup your email on various types of mobile devices.
Using outlook in a web browser (no installation required)
Click on the following link & Sign with your full email address and password provided.