If you're not ready to let your users work with Form Builder 2.0, Server Admins can hide the functionality. However, on June 30, 2017, all access to the classic form builder will be removed.
To hide Form Builder 2.0, please follow the instructions below.
STEP 1. Hover over the Server Admin tab (A) and select Server Info (B).
STEP 2. Scroll down to Form Builder Customization (A) and click Edit Form Builder (B).
STEP 3. Uncheck the Form Builder 2.0 Enabled (A) and click Update (B).