What is DLL files in windows and How to open it.

DLL (DLL files in windows) and open it:-

dll

The Dll's stands for Dynamic Link Libraries.When you run any
programme in window  Dll'sprovide the much more  functionality to
the programme, because some programme contain different modules, and each of the program's module contained and distributed in DLLs.

Dll

Dll files in windows provide the modularization to code and re-usability efficient memory usages and also reduce disk storage space .therefore programme load fast and take less space

Dll

The following DLL's are  implemented in Microsoft Windows.
1.ActiveX control(.ocx) files  it include calendar.
2.Control Panel(.cpl) files it includes control panel functionality located in control panel.
3.Device Driver(.drv) files-It include driver related files like wifi driver, printer driver etc.
VCRUNTIME140.DLL files -It include the runtime files that cause the programme run.

                              ---------------points at glance----------------

1.Dll's cause programme execution

2.DLL's uses few resources  

3.Provide Modularity architecture

4.ease to installation and deployment of programe

5.Dynamical linking the files.