INFO("directory") returns the path of the current directory or folder.
INFO("numfile") returns the number of active worksheets in the open workbooks.
INFO("origin") returns the absolute cell reference of the top and leftmost cell.
INFO("osversion") returns the current operating system version, as text.
INFO("recalc") return current recalculation mode; returns "Automatic" or "Manual".
INFO("release") returns version of Microsoft Excel, as text.
INFO("system") returns the name of the operating environment:
Reference from Excel Documentation