HELP FILE

Use the LastPass Authenticator to access your LastPass vault

    Once you have set up the LastPass Authenticator as your multifactor option for LastPass, log in to your LastPass account and you will be prompted for authentication via the LastPass Authenticator app.
    Before you begin: You must complete the steps in Set Up LastPass to Use the LastPass Authenticator before proceeding.
    To log in to LastPass and be prompted for multifactor authentication via the LastPass Authenticator, do the following:
    1. Open the LastPass Authenticator app on your mobile device.
    2. Log in to LastPass by doing either of the following:
      • In your web browser toolbar, click the inactive (grey or black) LastPass icon inactive LastPass icon, then enter your email address and master password and click Log In.
      • Go to https://lastpass.com/?ac=1 and enter your email address and master password, then click Log In.
    3. When prompted, choose any of the following options to authenticate:
      Authentication Method Instructions
      Push notification
      1. In the LastPass Authenticator app, tap Accept when prompted.
      Tip: Are you using an Apple Watch? Learn how to get push notifications on your Apple Watch.
      Time-based, one-time passcode (TOTP)
      1. In the LastPass Authenticator app, locate the passcode generated for your LastPass account.
      2. On the multifactor prompt, enter the 6-digit code into the Passcode field.
      3. Select Authenticate.
      SMS passcode
      1. On the multifactor prompt, select Send me an SMS passcode to send a 6-digit code to your phone via text message.
      2. Enter the 6-digit code into the Passcode field.
      3. Select Authenticate.
      Phone call (Call Me)
      1. On the multifactor prompt, select Call me to place a phone call from LastPass to your phone number.
      2. When prompted, press the # key on your phone's keypad to verify.
      YubiKey
      1. On the multifactor prompt, select YubiKey.
      2. Depending on the YubiKey device you are using, take the applicable action:
        • Insert your YubiKey device into the USB port of your computer, then wait until your YubiKey touch-button shines with a steady light and hold your fingertip on the touch-button for one (1) second to authenticate
        • Tap Plug it in (if applicable), then plug in your YubiKey (using either the USB-C side for Android or the Lightning side for iOS)
        • Hold your YubiKey up to the NFC reader on the back of your mobile device
    4. Optional: To use a different multifactor option than the one presented, click Additional Multifactor Options and select your desired option.

      Troubleshooting:

      Attention:  If you are part of a company account and a policy has been enforced to only allow one multifactor option, the "Additional Multifactor options" section will not be displayed.

    You have now logged in to LastPass and authenticated using the LastPass Authenticator. Multifactor Authentication window with additional multifactor options