File Magic can be considered a powerful file viewer that streamlines the task of viewing, and handling a wide variety of file formats, especially hard-to-handle or diverse "dot" file types.
If you need to work with common formats like .docx, or more obscure ones such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/