How to setup Cryptnox FIDO2 card for Microsoft account

How to setup Cryptnox FIDO2 card for
Microsoft account

Step by step tutorial

Security Key Support Across Operating Systems and Web Browsers:


The availability of security key support may vary based on the operating system and web browser in use.


  • MacOS: Security Key support is available in browsers such as Safari and Firefox.
  • Windows: Most modern web browsers provide security key support.
  • Mobile devices: It is recommended to use the mobile web version of the service, as many applications redirect users to a mobile browser to complete the
    security key setup process.
FIDO2 Card Microsoft Mobile Account Setup
Microsoft account page

Step 1

Log in to your Microsoft account first in the browser and Select “Manage your Microsoft Account”.

FIDO2 Card Microsoft Mobile Account Setup

Step 2

Select “Additional security options”.

Setup Cryptnox FIDO2 card for Google account​

Step 3

Select “Add a new way to sign in or verify”.

How to setup Cryptnox card for Google account​

Step 4

Select an option to create a security key.

Face ID sign-in with security key option on iPhone

Step 5

A pop up will appear and within that ensure to select the “Security key”. Then select “Continue”.

phones with Cryptnox card – Microsoft login

Step 6

The system will prompt the message to setup the security key. While the prompt is opening, tap the card at the back of the phone.

Once the card is registered properly, the system will ask you to put the PIN. Once you put in the PIN, select “Continue”.

Important: Ensure you remember your PIN. It is advisable to save it securely or write it down in a safe place. You will need this PIN the next time you log in to a site where you have set up security key authentication.

Cryptnox FIDO security key on iPhone for Microsoft login

Step 7

The system will prompt the message tap the card again to activate it. Once it is done, it will automatically proceed to next step.

How to setup Cryptnox smart card for Google account​

Step 8

Give a name for your security key. This can be anything you like.

Passkey added confirmation

Step 9

You have successfully setup the Cryptnox FIDO2 security key on Microsoft account.