Add a Gmail account to Outlook
You can add a Gmail account to Microsoft Outlook, and manage it in Outlook, to view and manage all of your email in one place. You’ll need to generate a unique 1-time passcode by Gmail.
In Outlook, select File, then Add Account.
Enter your E-mail Address for your Gmail account and select Connect.
Go to your Gmail account.
Select your profile image, then My Account, and Sign-in & security. Scroll down to Signing into Google.
Select 2-Step Verification and once complete select App passwords.
Enter your Gmail password and on the drop-down, tap Select App, Mail, and your Device you want the email to go to. Then select Generate.
A code is generated. Copy it.
Return to Outlook, paste the code in the box provided, select Connect.