If you previously had your college email added to your device, you will first need to remove the account before following the instructions below.
Instructions on how to add your RCSJ email to your mobile device
1) Click add an email address in the Gmail application
2) Select add an exchange and office 365 account
3) Enter your RCSJ email address then click next
STAFF/FACULTY: USERNAME@RCSJ.EDU
STUDENT: USERNAME@STUDENTS.RCSJ.EDU
4) Enter your password and click next
5) Change Server Setting to Match:
TO: MAIL.RCGC.EDU
6) Confirm the prompt to allow remote settings.
NOTE: This is prompted for due to the nature of our email system being an exchange account. We do not utilize any of these features but it is required to notify you.
7) Enter a nickname or leave it with the default configuration and complete the process.
Your email should now be added to your Gmail application.
1) Go to settings and select 'Passwords & Accounts'
2) Select ' Add Account'
3) Select 'Exchange' Account Type
4) Enter your email address and Description for the account
STAFF/FACULTY: USERNAME@RCSJ.EDU
STUDENT: USERNAME@STUDENTS.RCSJ.EDU
NOTE: description can be anything you want.
5) Click 'Sign In'
5) Enter your password
6) Enter Mail Server Settings:
7) Select what items to sync and 'save'
Your account has now been added successfully.
1) Click Get Started' or the '+' icon depending on if you have another account added already to the outlook app.
OR 
2) Enter your RCSJ email address
STAFF/FACULTY: USERNAME@RCSJ.EDU
STUDENT: USERNAME@STUDENTS.RCSJ.EDU
3) Choose the Exchange Account Type
4) Enter Mail Server Settings:
Your account should now be successfully added.