TitanFile gives you the option to enable two-factor authentication (2FA) on a communication channel for an extra layer of security.

By default, this configuration is not enabled on your subscription. Please contact us to have it enabled.

With 2FA enabled, you'll  now see a new option for 2FA when adding a contact to a channel.

After checking off this option, you will be required to enter a phone number for the contact.

**Note: User phone numbers can be changed in the Contacts tab in a channel.

Click Add Person.

Do this for every contact you want to enable 2FA for.

Now you can send a message and/or files to your contact(s) and they'll be required to go through the two-factor authentication procedure to access the channel.

The recipients will receive a notification from TitanFile indicating that they've received a new message and files from TitanFile.

When they try to access the channel, they'll receive a 2FA prompt notifying them that a PIN will be sent to the phone number ending with the last 4 digits. They will have the option to choose SMS or Voice to receive their PIN.

**Note: In the screenshot below, we've blocked out the 4 digits with **** for privacy reasons.

Once they receive their pin, they can enter it in the next screen to verify it.

If the PIN is successfully entered, they will now have access to the channel's contents.

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