Google isn’t the only firm offering 2FA sign-in codes to provide backups. Since 2019, Microsoft has allowed people to use a “backup and restore” tool for its Microsoft Authenticator app.

Previously, one-time Authenticator codes were stored locally, on a single device, meaning losing that device often meant losing the ability to sign in to any service set up with Authenticator's 2FA.

Looking for a free two-factor authentication app that works across platforms? Proton Authenticator offers broad import capabilities, iCloud sync, and thoughtful security features from a company you ...

Autofill for verification codes in iOS 26 and macOS Tahoe gets big upgrades with support for third-party messaging, email, ...

The Microsoft Authenticator app is not displaying code – Possible causes Time synchronization issues: The Microsoft Authenticator App generates the TOTPs based on time-sensitive algorithms.

The user logs in on a 3rd-party service, the 3rd-party service asks for an associated Google Authenticator code, and the user gets said code from their Google Authenticator app.

Unlike SMS codes, authenticator apps work without a data connection, and they generate codes on your phone, so the codes can’t be intercepted. These apps generate a code called a time-based one ...

Multi-factor authentication (MFA) adds an extra layer of protection to your accounts. Instead of relying only on a password, MFA requires you to verify your identity using two or more methods.

Until now, Google Authenticator had an annoying flaw: Your one-time codes were stored only on your phone, which could cause a tremendous number of problems if you didn't have backup codes.

Microsoft Authenticator stopped supporting password management at the start of August. If you're looking for a decent ...

Losing access to your 2FA codes can lead to a frustrating situation: locked-out accounts. Without the dynamically generated code from Google Authenticator, logging in becomes impossible.