How do I delete everything in my Dropbox?
Dropbox: How To Permanently Delete A File
If you no longer need a file or folder, you can delete it from your Dropbox account....To delete files or folders on dropbox.com:
- Sign in to dropbox.com.
- Click All files in the left sidebar.
- Click "…" (ellipsis) beside the file's name.
- Click Delete and then Delete again.