Loads and runs 32-bit dynamic-link libraries (DLLs). There are no configurable settings for Rundll32. Help information is provided for a specific DLL you run with the rundll32 command.

You must run the rundll32 command from an elevated command prompt. To open an elevated command prompt, click Start, right-click Command Prompt, and then click Run as administrator.


rundll32 <DLLname>


Parameter Description
Rundll32 printui.dll,PrintUIEntry Displays the printer user interface.


Rundll32 can only call functions from a DLL explicitly written to be called by Rundll32.

Additional References