Solved: How can I regain access to my account … – Shopify Community

Login to your Shopify account and select the store in question. If you cannot login to your account, then choose the ‘Can’t log in to your Shopify account’ option. If prompted, select the relevant support topics from the list of categories and you should then see the currently available contact methods for our team.

https://community.shopify.com/c/shopify-discussions/how-can-i-regain-access-to-my-account-without-the-authenticator/m-p/2125656