Setup Outlook on Mobile Device Adding your email to Outlook mobile Open Outlook on your mobile device. Select "Add Account". Enter your Nassco email address and click "Continue". At the Nassco Single Sign-On page, confirm your email address is correct and click "Next". Enter your computer login password and click "Log in". After successfully logging in, select "Maybe later" when asked to add additional accounts. Sync Outlook contacts and calendars Open Outlook and click your profile picture on the top left. Click the settings / gear icon on the bottom left. Under 'Mail accounts', select your email address. Check both 'Sync contacts' and 'Sync calendars'.