Originally, watermarks were faintly visible images or impressions manufactured into paper that identified its maker and/or quality. Today we use digital watermarks to provide an indelible message or identifier on electronic documents. Watermarks are useful because they are subtle and integrate with the contents of the document page. If you simply type the word “Confidential” in a page header or footer, the word can be digitally removed. However, if you apply a watermark of the word “Confidential” as the background on document pages, removing this classification becomes virtually impossible.
You can add a watermark to the pages of an Excel worksheet by inserting a picture field in the center section of the page Header. Sometimes, however, the watermark does not display in Print Preview or when the document is printed. You confirm that the picture field (&[Picture]) is in the page Header, so why doesn’t the watermark appear on the page?
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