Final answer:
A treatment is an outline converted to paragraph-style narrative with little or no dialogue.
Step-by-step explanation:
The script format that is an outline converted to paragraph-style narrative with little or no dialog is a Treatment. A treatment is a detailed outline that describes the story, characters, and key events of a script without including much dialog. It provides a narrative summary of the plot, similar to a story or novel, and is often used as a preliminary step in the scriptwriting process.