Can I Insert Or Change Watermark. But you can use an image like a logo to create a watermark. In the dialog box click Add Files choose Add Files and then select the files.

You can either create the watermark first or add later. Double-click the Header tab to activate. To select a watermark choose it in the preset menu in the upper-left corner of the window.
Next click on the watermark on any of the other pages and press delete.
Right-click the page tab click Page Setup and then click the Page Properties tab. Tap on the header and on the Design tab on the ribbon click Picture. When adding a watermark into a word file the default color of the watermark is always light gray. Select Insert Header Footer.