I binded two files image1.png and image2.png using command copy /b image1.png+image2.png bindedimage.png. How can i extract bindedimage.png to image1.png and image2.png?
You can't do this reliably, since the information where file 1 ends and file 2 starts was not stored anywhere. They're just a single blob of bytes now.
However, if both files were PNGs, you can try to separate them by analyzing their structure: a PNG file always starts with the "signature" (bytes