Does Slack work with authenticator apps like MS Authenticator App?

Yes. Slack supports TOTP authenticator apps, so you can generate its two-factor codes in MS Authenticator App.

Is Slack two-factor authentication free?

Yes. Enabling authenticator-app 2FA on Slack is free — you only need the free MS Authenticator App.

What if I lose access to my Slack 2FA codes?

Use the backup or recovery codes you saved during setup. If you didn't save them, contact Slack support to regain access, then re-add the account to MS Authenticator App.

How to enable 2FA on Slack

← Slack overview Supported

Slack lets you secure your account with an authenticator app. With 2FA on, each login needs a fresh 6-digit code, keeping your Slack account safe even if your password leaks.

Step-by-step setup

1
Sign in to Slack and open Account settings → Two-Factor Authentication.
2
Turn on two-factor authentication and choose the authenticator-app option.
Look for "Authenticator app", "Authentication app", or "TOTP" rather than SMS.
3
Scan the QR code with MS Authenticator App.
Open MS Authenticator App, tap add, and point your camera at the QR code Slack displays. Can't scan? Enter the setup key manually instead.
4
Enter the 6-digit code to confirm.
Type the code MS Authenticator App generates to verify and link your Slack account.
5
Save your backup codes.
Store the recovery codes Slack gives you somewhere safe — you'll need them if you lose your phone.

Menu names on Slack can change — the official Slack 2FA documentation ↗ always has the exact, current path.

Frequently asked questions

Does Slack work with authenticator apps like MS Authenticator App?: Yes. Slack supports TOTP authenticator apps, so you can generate its two-factor codes in MS Authenticator App.
Is Slack two-factor authentication free?: Yes. Enabling authenticator-app 2FA on Slack is free — you only need the free MS Authenticator App.
What if I lose access to my Slack 2FA codes?: Use the backup or recovery codes you saved during setup. If you didn't save them, contact Slack support to regain access, then re-add the account to MS Authenticator App.

Generate your Slack codes in MS Authenticator App

Free, offline, and encrypted. One tap for every 6-digit code.

Get the app

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