These instructions should work for the iPhone as well as other Apple devices with exchange support such as the iPad.
On your iPhone select Settings, then choose Mail, Contacts, Calendars.
Choose Add Account.
On the Add Account screen, select Exchange.
Enter your Exchange account information: Email: Your EagleConnect email address Username: Your EagleConnect email address Password: Your EagleConnect password
Exchange will attempt to detect and automatically fill in the rest of your settings. If this fails you will be asked to fill in additional information: Email: Your EagleConnect email address. Generally email@example.com. Server: outlook.office365.com. Username: Your EagleConnect email address. Password: Your EagleConnect email password (should not require changes).
Hit Done, then you'll be prompted to select which parts of your account to synchronize (Mail, Contacts, and/or Calendar), then select Sync to finish.