Yashieds most excellent WinAPIEx UDF is required for this example. #include <APIConstants.au3> #include <WinAPIEx.au3> #cs http://www.catch22.net/tuts/memory-techniques-part-1 CreateFileMapping function http://msdn.microsoft.com/en-us/library/windows/desktop/aa366537(v=vs.85).aspx MapViewOfFile function http://msdn.microsoft.com/en-us/library/windows/desktop/aa366761(v=vs.85).aspx File Mapping http://msdn.microsoft.com/en-us/library/windows/desktop/aa366556(v=vs.85).aspx