How to setup Cryptnox FIDO2 card for Microsoft account

How to setup Cryptnox FIDO2 card for
Microsoft account

Step by step tutorial

Passkey Support Across Operating Systems and Web Browsers:


The availability of passkey support can vary based on the operating system and web browser being used.
MacOS: Passkey support is provided by browsers such as Safari and Firefox.
Windows: Most web browsers offer passkey support.
On mobile: It’s recommended to use the mobile web version of the service, as almost every application directs users to the web version within a mobile browser for the setup process.

FIDO2 Card Microsoft Mobile Account Setup

Before you start

Ensure that you have an iPhone and a minimum of two FIDO2 Cards available for the setup. For official Apple tutorial, click here.

Note: Setting security key for iOS requires two FIDO2 cards.

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 passkey 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 passkey on Microsoft account.