I know I can move all my files inside Dropbox folder and create the junctions/symlinks at their original locations but I want to do it the other way around.
Many of the shown stages will apply the same to this other methodology of giving UNIX shell capabilities to your Microsoft host. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).
Would you like to answer one of these unanswered questions instead?
It is required by the app to access your content in the cloud.
If you choose “No”, you won’t be able to use the app.