<human>:  How to keep files only online on Dropbox?
<bot>: Keep Files Only Online on Dropbox on PC or Mac
1. Click the Dropbox icon in your notification area.
2. Click the gear icon.
3. Click the Sync tab.
4. Click Selective Sync or Choose folder to sync.
5. Uncheck all the folders.
6. Click Update.
7. Click Update again to confirm.