Hi I checked your post and you were spot-on! My apologies for missing the last section on how to remove MFA.One again it proves the old paradigm "If all else fails, read the manual"! Once again a BIG Thanks for your help and patience! Sorry for all the wasted effort while I was trying to figure it out myself.Keep up the good work!  

Thanks for the time and effort to provide me with the necessary advice.I found the necessary information in this link in the Trade Me Help: https://help.trademe.co.nz/hc/en-us/articles/9059450588303-Manage-multi-factor-authentication It has a section titled "Stop multi-factor authentication" which describes the process in detail!I am just so sorry it took me so long to discover it!My MFA in Trade Me is working in conjunction with the MS Authenticator on my new phone... At last!Thanks for your support.Perhaps it would be a good idea if the Trade Me team would include a link to the above ment...

You stated in your comment: "You need to put in your code to continue"The code you are referring to is the one yo get from the Authenticator App on your mobile phone (which I used to do on my old phone many times.) But as I stated in my first post (please read it again) I installed the Authenticator App on my new phone and it does not include Trade Me in its list! Got it?  

I followed the suggested procedure of the previous comment....Below are the screenshots that I see on my desktop: When I click on the option "Manage multi-factor authentication", the following screen appear: I fail to see an option to remove the MFA ????PS: Have you actually tried doing this yourself?

I think we possibly have a misunderstanding here.... Let me clarify the situation I have:I had set up multi-factor authentication (MFA) on Trade Me using my old phone.Then I bought a new phone (G% upgrade) and installed Microsoft Authenticatorand the problem is I can't find a way to add Trade Me to it its list - like I had in the old phone.It seems like the only way to do this is to remove the multi-factor authentication (MFA) on Trade Me and then set it up again from scratch.... The real problem I have (it seems to me) is how to uninstall multi-factor authentication (MFA) on Trade Me  and ...