Displays a dialog for setting your backup preferences. That is, you tell CADintosh to automatically save your drawing every so often, or after a certain number of changes.
•	Editing
	You will get a note after the number of drawing steps. Additional if Save automatoc after is checked the drawing will be saved after the number of steps.
•	Time
	The drawing will be saved after the number of minutes.
•	Backup
	CADintosh creates a document called name.BAK each time you save your drawing.