Does 123 Reg work with authenticator apps like MS Authenticator App?

Yes. 123 Reg supports TOTP authenticator apps, so you can generate its two-factor codes in MS Authenticator App.

Is 123 Reg two-factor authentication free?

Yes. Enabling authenticator-app 2FA on 123 Reg is free — you only need the free MS Authenticator App.

What if I lose access to my 123 Reg 2FA codes?

Use the backup or recovery codes you saved during setup. If you didn't save them, contact 123 Reg support to regain access, then re-add the account to MS Authenticator App.

Should I use an authenticator app or a security key on 123 Reg?

123 Reg supports both. An authenticator app like MS Authenticator App is free and works on any phone; a hardware security key adds phishing resistance. You can enable both.

How to enable 2FA on 123 Reg

← 123 Reg overview Supported

Protect your 123 Reg account with two-factor authentication (2FA). Once enabled, signing in also requires a one-time code from your authenticator app — not just your password.

Step-by-step setup

1
Sign in to 123 Reg and open your 123 Reg account security settings.
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 123 Reg 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 123 Reg account.
5
Save your backup codes.
Store the recovery codes 123 Reg gives you somewhere safe — you'll need them if you lose your phone.

Menu names on 123 Reg can change — the official 123 Reg 2FA documentation ↗ always has the exact, current path.

Frequently asked questions

Does 123 Reg work with authenticator apps like MS Authenticator App?: Yes. 123 Reg supports TOTP authenticator apps, so you can generate its two-factor codes in MS Authenticator App.
Is 123 Reg two-factor authentication free?: Yes. Enabling authenticator-app 2FA on 123 Reg is free — you only need the free MS Authenticator App.
What if I lose access to my 123 Reg 2FA codes?: Use the backup or recovery codes you saved during setup. If you didn't save them, contact 123 Reg support to regain access, then re-add the account to MS Authenticator App.
Should I use an authenticator app or a security key on 123 Reg?: 123 Reg supports both. An authenticator app like MS Authenticator App is free and works on any phone; a hardware security key adds phishing resistance. You can enable both.

Generate your 123 Reg codes in MS Authenticator App

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

Get the app

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