First, open the excel file and open the excel file according to the path where your file is located.
As shown in the following figure, the open interface of excel2007 has many functions, so I will not explain them here.
On the excel2007 page, find "page layout" and click, as shown in the following figure.
After clicking the page layout, there are many settings below it. Here, find "background" and click
After clicking the background, a dialog box will pop up. This dialog box is for us to select the image we want to add and follow up the path of the Tianji image.
Find the image you want to add, click the image, and click OK at the bottom, as shown in the figure.
As shown in the following figure, this is the added background image,
Of course, if you do not like the background image you have added or do not need it, click delete background on the top and modify the background as needed.