The Sandcastle Help File Builder consists of a GUI front end that lets you interactively build help files using Sandcastle. A console mode version is also supplied that allows you to build help files as part of the normal project build. The GUI front end provides access to project settings that let you configure various aspects of the resulting help file including the ability to add additional content, build HTML Help 1, HTML Help 2, or website output. Additional custom build components are included to colorize code blocks, add a logo the page header, add version information to the pages, etc.