You can open the required PPT file on the computer first, and then click the Insert button in the menu bar. Select a picture in the page that appears, and finally select the required background picture in the "Insert Picture" dialog box that opens. The specific setting method is as follows:

Equipment: Lenovo Xiao Xin padPro 1 1.5 inch computer;

Operating system: Android version12.1;

Software: PPT20 10 version.

1, open the required PPT file on the computer to enter.

2. After entering the PPT file, click Insert in the menu bar and select the picture button.

3. Select the desired picture in the Open dialog box, and then click the Open button.

4. After inserting the picture, right-click and select Set as bottom.

5. At this point, you can see that the required picture has been set as the background picture of PPT.