Adding a picture watermark is an easy way to make the pages of your document look like stationery. Use your company's logo to show off your brand.
                     
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On the Design tab, select Watermark.
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Select Custom Watermark, and then choose Picture Watermark.
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Click Select Picture.
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Find a picture of your own, or search Bing images.
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Choose the picture you want and select Insert.
 
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On the Design tab, select Watermark.
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In the Insert Watermark box, select Picture > Select Picture, and then browse to the picture you want to use.
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Next to Scale, make sure Auto is selected and Washout is checked, and then choose OK.
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