Checking Dropbox Sync Status
To check your Dropbox account sync status, use the Dropbox icon in the system tray:
If the icon looks like the open box (as above), the sync is idle and everything is up to date.
If it has the spinning activity icon, it means it is busy syncing:
To get more detail on how busy the sync operation is, click the icon. At the bottom of the popup menu, Dropbox will display an estimate of the time remaining:
If the sync operation has a long time to go and the network is congested, click on Syncing nn files and the status will change to Paused.