If you have multiple email addresses added to your Gmail app, you can switch between their inboxes. Gmail will also group emails for an account into helpful inboxes such as Social and Promotions.
1.
From the Gmail app main screen, tap the Navigation icon.
2.
Select an inbox category to view.
To view all your inboxes at the same time, tap All inboxes.
3.
You've completed the steps!
1.
From the Gmail app main screen, tap the Navigation icon.