Importing bunch of Points (X,Y,Z) in Autocad in few seconds

What you need is a notepad contains only X,Y,Z points in a similar format(Copy all points crtl+c)

12,14,4
13,7,8
17,89,35
...



Go to Autocad command line and type multiple (multiple command perform an action until you want to cancel it) then type point command. Now you paste all your points crtl+v.

Finally press Enter.

There you go!