When you try to save such an image, the background area of the image will no longer be transparent and turns into solid color; in most cases, white i.e. Color 2.

The next screen snapshot shows the difference in appearance between an image with a white background on a non-white background and an image with a transparent background. Topics Spotlight: AI ...

Remove the background image in your photos using Paint 3D in Windows & make it transparent or white. You can create a sticker, 3D model, and insert the image into another image.