Question: how to transfer files from icloud to dropbox?
Answer: Enable iCloud. Turn your Mac on, go into System Preferences, click on your iCloud account and make sure the “Documents & Data” tab is set to ON.
Create iCloud file. In Byword all you have to do is click on “File » Move to iCloud” in the menu. ... 
Locate local iCloud folder. ... 
Use Hazel to sync changes.