To require users in your organization to enable two-factor authentication, go to Organization settings > Details:
And select this option:
Your users will then need to run through the process below.
On the next login to Omny Studio of the users in your organization, they will be prompted to set up 2FA. This requires the use of a Timed One-Time Password (TOTP) app.
To get started, you will be prompted to enable 2FA by scanning a QR code using the TOTP app of your choice:
If you have any issues scanning the QR code, enter the code displayed on-screen in the app your app of choice.
Once your app is linked, it will provide a 6-digit code for a limited amount of time. Enter that code and hit "Enable two-factor authentication" to login to your account.
When logging into Omny in future, you will be prompted to provide a time-based one-time password from your linked app.