FileMagic is known as a powerful file management tool that simplifies the task of viewing, and handling a wide variety of file extensions, including hard-to-handle or varied "dot" files.
If you need to work with standard types like .docx, and even less common ones such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/