Final answer:
The panel from which features such as styles and new colors can be retrieved in other documents is called the Templates and Add-ins panel.
Step-by-step explanation:
The panel from which features such as styles and new colors can be retrieved in other documents is called the Templates and Add-ins panel. This panel allows you to access and apply templates and add-ins to other documents. To open the Templates and Add-ins panel, go to the Developer tab in the tools ribbon and click on the Templates and Add-ins button.