1. After opening the excel table, perform the "Insert-Picture" operation.

2. Then select "target picture" in the computer to import.

3. Then select the image of the electronic seal to resize it, and click the recolor option in the Format menu.

4. In the drop-down menu, click the "Set transparent color" option.

5. Click on the background area of the picture with a brush to remove the background color.

6. Finally, move the official seal to the appropriate position. In this way, you can stamp the electronic official seal in excel.