Method One,
1, click on the menu bar "view → header footer", at this point, the cursor will be positioned in the header editing area.
2. Select the Rectangle tool in the Drawing toolbar and draw a rectangle in the header edit area, as shown in Figure 1:
Figure 1
3, with the mouse to drag the rectangle's border, to change the size of the rectangle just painted good, so that it covers the entire page. After that, right-click on the rectangle and select the Format Object menu item command from the pop-up right-click menu. See Figure 2:
Figure 2
4, in the pop-up Set Object Format dialog box, click the Fill Color Drop-down box, where you can choose to set the rectangle's fill color or fill effect. See Figure 3:
Figure 3
5, if you only need to add background color to the document, then this step is not needed, this step is to add other types of background (such as pictures, textures, etc.).
Select the fill Effect command in the Color Drop-down list in step 4th to set the rectangle fill effect in the Fill Effect dialog box that pops up: color gradients, textures, patterns, pictures.
I add a texture as an example, select a texture in texture for paper grain 2, and then click OK. See Figure 4:
Figure 4
6, click the OK button on all the dialog boxes that pop up, and then close the header and footer edit area and return to the document editing area.
By following these steps, you add a background to the document, and each page has it, and it does not affect your editing of the contents of the document.
Take a look at the background you added to the document by just the steps, see Figure 5:
Figure 5
Method Two,
Tip: This method is primarily used to add a picture background to your document.
The steps are as follows:
1, click on the menu bar "view → header footer", at this point, the cursor will be positioned in the header editing area.
2, click on the menu bar "Insert → picture", insert you want as a background clip art, pictures or WordArt. As an example of inserting a clip art, I chose to add a piece of clip art.
3. Select the clip you just inserted, click the Text Wrapping button on the Picture toolbar, and select the line below Text command. See Figure 6:
Figure 6
4, drag the mouse to add clip art to the appropriate location, close the header and footer edit area, back to the document editing area.
With these steps, you can easily add a picture background to your document.
Take a look at the picture background you added to the document by just the steps shown in Figure 7:
Figure 7