Useful Short cut key use in M.excel, website and M.word

In excel file ;

F12 : save in another file
CTRL + A + C+ N + V : copy all content and paste in new file

For website :
CTRL + T : open new Tab
CTRL + L : Insert website address instantly
CTRL + F4 : close instantly
Window + D : show desktop

For Words
CTRL + Z : delete all
CTRL + Delete : delete all words after "l"
CTRL + Backspace : delete all words before "l"