Working in the Gmail App
Open the Gmail app, click the settings button (three-line icon), then click the arrow to the left of the email account address and click Add Account
Choose Office 365 and Exchange
Enter your full Savion email address and then click 'Next'
Enter your password to the email account and then click 'Next'
Under Domain / username enter your full email address.
Under the server name, type the following address: outlook.office365.com
When done, click Next