While there isn't a single standard feature called a "deep paper" in Dropbox Paper , you can create highly detailed, multi-layered documents by leveraging its advanced collaborative and organizational tools. Creating a Detailed "Deep" Document
: Use the ability to comment on specific areas to facilitate deep-dive peer reviews and real-time edits.
: Every edit is automatically saved as a .paper file in your Dropbox folder, ensuring no part of your deep research is lost. Dropbox Tutorial - Lesson 19 - Dropbox Paper Introduction