What is the difference between EXE and DLL?

In Windows, both EXE and DLL are in PE format. EXE is a common executable file that contains data andCodeWhile DLL is a dynamic link file, it may also be a pure resource file that only contains data, not includingProgramCode. One of the purposes of DDL is to provide functions and resources that can be used by many different applications. Functions and resources in DLL provide reuse for software development. They are executed at runtime by the disk physical image loaded into the memory space or shared memory space of the caller.