You can also (depending on your subscription level) access online versions of Word, and Excel, by clicking on the top left corner, and choosing the icons from the menu that appears.
Accessing Company Email on Office 365
To access your business email, navigate to https://outlook.office.com/ and sign in using your supplied username (email address) and password. Once logged in you can see your mailbox, very similar to what you would see on your desktop/laptop computer within Outlook.