When you use two different mailing accounts, it is nothing but trouble for you until you know that you can merge these two accounts together. However, there are some people who do not want to merge their accounts completely but rather move their email and contacts from one account to another. However, to complete this task, you will need your and Gmail login credentials.
After you have completed the email forwarding process, you can go ahead with the steps that are listed below:
The first thing you need to do is, open the Gmail app
Now, sign in to your Gmail account
On the main page of Gmail, click on the "Cog" icon to open the "Settings" menu
From there, click on the "Accounts and Import" option
Next up, choose "Import Mail and Contacts" from the given options
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