Creative ZEN Vision W User Manual page 80

Use the drag-and-drop method in Windows Explorer to copy files to and from
your player.
When you have finished copying files, safely disconnect your player using the
Safely Remove Hardware icon on the Taskbar. To safely disconnect your
player, see Stopping Your Player Properly.
Notes
Data files saved in the Removable Disk mode disk space cannot be viewed
or managed with Creative Media Explorer.
Similarly, data files transferred to your player using Creative Media Explorer
cannot be viewed or managed in Removable Disk mode.