There are two ways to find archived emails on Gmail.
If you click More and select All mail, you will see all your emails, which include not only your inbox but also your other categories and, of course, your archived emails.
If you want only to see your archived emails, there is no button to do it. Instead, what you have to do to see only archived emails is type “in:archive” in the search bar.
Watch how to find archived emails on Gmail
To see a video demo of all of Kanbanchi's features right here, please, accept functionality cookies.
More Google Workspace tips from Kanbanchi.
Also read: How to send a too large file for Gmail?