1. First find the handwritten signature, open the mobile phone APP Evernote (if not, you can directly search, download and install it), click Take a photo, scan, and scan the file into a picture. Of course, those with scanners can also scan with scanners. The picture requires a clean background, in order to remove the background conveniently.

2. Open the excel file, drag the picture into excel, or insert the picture into excel through the Insert menu. Because the picture has a background, it seems that the picture blocks the content of excel.

3. Click the picture to display the picture toolbar. Click Format on the picture toolbar and find the color command in the upper left corner. Click the drop-down triangle to find the penultimate line, set the transparent color command, click activate, click once in the white position of the picture, and the background of the picture will be removed.

4. If it is a picture with complex background, it is suggested to delete the background. Method or select picture, picture toolbar, and then find delete background. The part to be kept is highlighted in the figure, and the rest is the part to be deleted. You can adjust the area by marking the area to keep or the area to delete. If satisfactory results cannot be achieved, it is recommended to use PS software.

5. Delete the picture behind the background and cut off the redundant part by cutting. Then press shift to resize the picture and drag it to a suitable position to prepare for printing.

6. If you can't see the picture by clicking the print preview, please set it as follows: Select the picture, right click, size and attribute, and check the print object.

7. This method is also applicable to word. It should be noted that images inserted in word are embedded by default, and the position cannot be changed at will. First, you have to change the way the text wraps so that it floats above the text, and then you can change the position at will. The operation method is the same.