Doesn't work with https://mysignins.microsoft.com the TOTP url I have https://mobileappcommunicator.auth.microsoft.com/activate/xxxxxxxx8/NEU
contains invalid code as the addon says.

Totally obtuse.

horrible

I cant not read the QR code from site. when I try to enter as manual. it is so difficult to copy paste the information. you copy one text and the go back to copy second text box, at this time, Authenticator disappear and all data lost what you entered. No body answer ?