To enable Dropbox as the primary file storage service, Administrator download, install and activate the Dropbox plugin from WordPress.
Edits made in files using Dropbox appear in Intranet Plus and visa versa.
Click Go to Account Manager > Dropbox
Sign in or create your account
Your Attachment sections should look like this:
To deactivate Dropbox, go to Admin > Account Manager > Dropbox and deactivate: