Warning! Some information and techniques detailed on this page may be out of date. For more up-to-date information on this topic, we recommend that you check the following page: Automatic generation of YouTube and Vimeo embed codes and improved High-DPI screen support in HelpNDoc 6.7. YouTube videos are extremely useful to easily share an animated content such as a step-by-step guide or an how-to movie. It is worth considering adding a YouTube video in an HTML based documentation, such as a CHM help file, to showcase a procedure and make it more easily and rapidly understandable by the end-user.