Hello there, Matt264.

I can see you've already posted your concern here in the Community forum about turning on/off the multi-factor authentication (MFA) in QuickBooks Online (QBO). I'm pleased to inform you that one of my colleagues has provided a solution to address your concern efficiently.

I'll be glad to route you to her suggestion. Kindly see the link below:

https://quickbooks.intuit.com/learn-support/en-us/other-questions/re-password-and-mfa-requirements-f......

Keep in touch if there's anything I can assist you with regarding entering multi0facto authentication. We're here to help in all possible ways to get you back to business.