Hi @Ciara Broujos ,
Are you using your work account for Teams client? If this is the case, you would need to contact your IT admin to help turn off the two-factor authentication for your account.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.