A screen shot is a picture of what is on the screen.
Once taken, it can be pasted just about anywhere..........Excel, Word, MS Paint
or your favorite graphics program to save as a graphics file like a *.jpg
Or even saved as a *.clp file from the clipboard.
PrtScn button will take a picture of your screen.
Alt + PrtScn will take a picture of the active window.
Gord Dibben MS Excel MVP