When you set up an email account on your device, it may also sync your contacts or your calendar to your device. You can change those settings to only sync the data from the account that you want on the device.
1.
From the Settings app, scroll to Accounts.
2.
Tap Accounts.
3.
Select an account.
4.
Tap Account sync.
5.
Select your preferences.
6.
You've completed the steps!
