The files and documents that are viewed or edited using Docs@Work are marked with a customized watermark. Any string can be used to create the watermark.
Use a user identifying variables as values such as, $USERID$ and $EMAIL$. These values will create watermark strings that are unique to each user.
The watermark text is not supported for image files. The following message is displayed for image when watermark is enabled:
Image viewing is not supported when watermark is enabled.