Outlook Gmail sync on Mac, importing folder architecture and removing duplicates

Hi, I have a software issue that I’d like to help with. On my MacPro, I’d like to use Outlook for my Gmail account.
I would like some help to use Outlook and Gmail in IMAP, and have them sync both ways
In my Outlook, I have an architecture of folders with sorted emails, that I would like to sync with Gmail
In Gmail, I have all my emails and don’t want to duplicate everything by importing my Outlook folders and emails into Gmail (again).