It is very easy to login two emails in a single phone. Lots of people have their separate emails for personal and professional use. They don’t want to disclose their personal emails but can’t use on their phone.
In this situation you can easily connects your both the emails in one phone and receive both the emails separatly. Even you can reply also individually.
Follow the steps below-
Open your mobile phone setting and go to accounts.
Here you can see tab add accounts click on it. In some models you can see sync under accounts. Click on sync and keep scrolling down. In the last you can see option +Add account.
Click on Add account and it will ask which type of account do you want to add like google ,facebook etc.
If your secondary email is gmail choose Google and Microsoft for outlook or any professional email.