FileMagic is known as a powerful file-handling software that simplifies the process of viewing, and handling a wide variety of file types, including the often confusing or diverse "dot" file types.
In case you encounter frequently-used 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/