File-Magic can be considered a reliable file-handling software that simplifies the process of managing, and handling a wide variety of file types, such as the often confusing or diverse "dot" extensions.
In case you encounter common file extensions including .docx, or uncommon ones such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/