Need to check if your FUT Web App email address is linked to your EA Account? Follow these steps:
1. Log into FIFA 14
2. From the main menu, scroll across to Customize > Online Settings
3. Select EA Account (EA) Settings
From here, you should be able to see the email address that is linked to your EA Account.
If your linked email address is an old account email, you can't access your email, or you can't log into Origin.com, you will need to contact a EA Advisor for help with your EA Account.