The iexplore.exe file is referred to as the executable file of Microsoft Internet Explorer. The graphical user interface of the iexplore.exe file is composed of graphical Internet pages viewed by the user.
Iexplore.exe is a Web browser that connects to the Internet when a user enters a URL in the address bar found on its GUI. The Web page that corresponds to the URL is displayed whenever this is done.
The iexplorer.exe file was designed to support a wide variety of Web pages and offer features from the operating system, which include updates from Microsoft Update. It uses the layout engine called Trident.
The architecture used by the iexplore.exe file is built around the technology Component Object Model (COM). It is composed of 5 major components that are separately contained in DLLs, and the set of COM interfaces is exposed and subsequently hosted by the iexplore.exe file.