How to add watermark to Excel table:
1. Create a new excel and click the Insert tab.
#2. In the inserted text area, click on the header and footer to add a watermark through this function.
#3. Open the header and footer tool design, use a picture to make a watermark, click on the picture, select a photo that needs to be used as a watermark, and then click Insert .
#4. Now the picture has been inserted into excel, but it doesn’t look like a watermark effect. You need to set it up. Click to set the picture format.
5. Open the Format Picture dialog box, switch to the Picture tab, change the color in the image control to Erosion, and then click OK. Of course, you can also Adjust the size of the image in Size.
#6. The image effect at this time is the same as the watermark effect, and it will not affect the input content in the input box.
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