How To Set Up Two-factor Authentication On Slack

Do you want to add more security to your Slack account? If so, you can set up a 2FA authentication to your account. In this way, you’ll have another layer of protection when someone tries to access your account. Follow our quick guide, and we’ll show you how to enable 2FA through SMS or an authenticator app.


In Slack, users can sign in with their workspace email and password to access their accounts. Although a strong password is enough can protect your account from unauthorized users, having another layer of security can help secure it even further.

Thankfully, Slack allows its users to enable the two-factor authentication feature on their accounts. Users can choose whether to use an authenticator app to get their verification codes or get one through SMS.

Here’s our guide about settings up 2FA on Slack.

How to set up 2FA on Slack

If you want to add more protection to your Slack account, you can enable the 2FA option on the app. In this way, can add another layer of security to your account on top of a decent password.

You can enable 2FA from your Account Settings, and you can choose whether to use an authenticator app or SMS option. In our step-by-step tutorials below, we’ll show you how to both methods.

Turn on 2FA with an authenticator app:

  1. Open Slack on your preferred web browser, sign in to your account, and head to your Account page.
  2. Under the Settings tab, expand Two-Factor Authentication and click the “Set Up Two-Factor Authentication” button.

  3. If prompted, enter and confirm your password to continue.

  4. Choose to use an app to receive your authentication codes and enter your password again to continue.

  5. Open your authenticator app and scan the barcode on your screen. On the other hand, you can click “Can’t scan this barcode” to get a key that you can enter into your authenticator to get the verification code.
  6. Enter the 6-digit verification code from the authenticator app and click the Verify Code and Activate option.

Slack supports multiple authenticator apps on iOS and Android devices. If you’re looking for a recommendation, try Authy or Google Authenticator.

The next time you try to sign in to Slack, you’ll need to open your authenticator app and enter the verification code alongside your password.

Turn 2FA with SMS:

  1. Open your Account page on Slack, expand Two-Factor Authentication, and select the “Set Up Two-Factor Authentication” button.
  2. If prompted, enter your password and click the Confirm button to continue.
  3. Select the SMS option as your form of authentication.

  4. Select your country, enter your phone number, and click the “Add phone number” button.

  5. Enter the verification code you received through SMS and click the “Verify code and Enable” button.

The next time you try to sign in to Slack, you’ll need to enter the verification code you’ll receive through SMS to access your account. If you have multiple workspaces, you’ll need to configure your 2FA feature for each one.

To wrap it all up

Now that you know how to set up 2FA on Slack, you can add another layer of security to your account. Whether you want to use the SMS or authenticator app method, it’s all up to you.

Always remember that once you set up 2FA, you’ll need the verification code to access your account alongside your password.

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