What is Windows mail DLL?

DLL files, or Dynamic Link Library files, are essential components of the Microsoft Windows operating system that enable code reuse and improve system performance by allowing multiple applications to share common functions. In the context of Windows Mail (Outlook Express), DLL files support various functionalities such as user interface elements, database operations, and network communications. These files are crucial for ensuring that Windows Mail operates efficiently and integrates smoothly with other components of the Windows environment.