In this guide, we will learn how to add or remove inbox categories & tabs in Gmail
Click on settings icon
Click on "Settings"
Click on "Inbox"
Click the Inbox tab
In the "Inbox type" section, select Default. Note: To hide all tabs, select another inbox type
In the "Categories" section, check the boxes of tabs you want to show
Note: You can't make new tabs; you can only show or hide existing ones
Click on save changes