To update the default file watermark settings for your network's users, first click on the Settings icon (the "gear") in the top-menu. Click on the [Network Name] Settings option to view the Network Settings sub-menu.
From the Network Settings sub-menu, click on the Watermark option to manage the default settings for this feature.
Watermark settings include: Display text (recipient email, recipient name, or unique ID); darkness (1 to 10, 1 being the lightest); size (small, medium or large); and placement (angle, vertical or horizontal). Click the Save button when finished.