Built-In

Select this option to show the Ribbon files distributed with Reflection.

Custom

Select this option to show the Ribbon files that you've previously modified and saved. If the file you want doesn't appear in the list, click Browse to select it.

Note: The file must be in a trusted location for Reflection to use it.

Use the new file in the current session document

Select this option to use the file you are about to create with the current session.