MSN (The Microsoft Network) is a collection of Internet services provided by Microsoft. The Microsoft Network debuted as an online service and Internet service provider on August 24, 1995, to coincide with the release of the Windows 95 operating system.

The range of services offered by MSN has changed significantly since its initial release in 1995. Many of Microsoft's popular web-based services, such as Hotmail and Messenger, were originally offered by MSN before being reorganized as part of Microsoft's Windows Live group of online services. MSN's Internet portal, MSN.com, offers a wealth of content and is currently the 7th most visited domain name on the Internet