File-Magic is known as a reliable file viewer that simplifies the process of managing, and handling a wide variety of file formats, including the often confusing and diverse "dot" file types.
If you need to work with common file extensions including .pdf, or more obscure formats such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/