Add your Exchange account
Tap Settings > Passwords & Accounts > Add Account > Exchange
Enter your address
Enter your email address, hit Next. Can add a description if necessary.
Connect to your Exhange Server
After entering the email address, choose Sign In or Configure Manually. Hit Sign In to find the Exchange account information. Hit Configure Manually to set up the account with Basic Authentication. Enter the email password, then hit Next.
Sync your content
Can choose to sync Mail, Contacts, Calendars, Reminders, and Notes. When finished, hit Save.