This guide is intended for all users having a YubiKey registered to their Microsoft account.
This document describes the steps to revoke the YubiKey as an authentication method from a Microsoft account.
Step 1: Go to your Microsoft account profile configuration page : https://aka.ms/mfasetup
Step 2: In the list of sign-in methods, identify the YubiKey you would like to remove from your account and then click on the “delete” link (in the case you have multiple YubiKeys associated to your account)
Step 3: In the pop-up message, confirm the deletion
Step 4: Confirm that the YubiKey you deleted is no longer in the list
Step 5 (optional): If you want to remove the credential on the YubiKey itself (requires firmware 5.2 or newer), open Yubico Authenticator and locate Passkeys (). In Windows, Request access to grant administrator permissions (click Yes at the prompt) to the application, enter the YubiKey FIDO PIN, and click Unlock. Locate the credential you want to delete, click on the meatballs button (
), and then click Delete passkey.