Basic is an authetication method used by some web servers.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Outlook on the web is an information manager web app. It includes a web-based email client, a calendar tool, a contact manager, and a task manager.