Outlook GSuite Daily Password Prompts

I have an issue that has suddenly started happening where my Gsuite email will ask for its password daily and not send or receive until this has been put in, I feel like I've tried everything and hoping someone else can give me any ideas.

The same issue is listed here but the suggested fixes do not work for me:

1. I have changed the mail servers from *.gmail.com to *.googlemail.com
2. I have allowed less secure apps
3. I have enabled 2 step verification and applied an app password
4. I have completed the refresh captcha
5. Allowed unsecured apps from Gsuite
6. Disabled OAuth in Registry, but it still prompts for the password with the old GUI (not OAuth)
7. Full repair of Outlook 365
8. Delete & Re-add account

Anyone had any similar issues?