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This tutorial shows how to add a "do not distribute" watermark to a PDF using Safeguard PDF Security. The watermark is permanent and cannot be removed in a PDF editor. Safeguard also allows adding other controls to prevent unauthorized distribution of the file, such as copying, pasting, editing, printing, and sharing. To add the watermark, open the PDF in Windows Explorer, right-click, and choose "Make Secure PDF." In the Writer window, go to the "View Watermarks" tab, select "Add Text Watermark," delete existing text, enter "do not distribute," increase font size to 28, and change color to red.
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