File Magic can be considered a powerful file viewer that simplifies the task of viewing, and handling a wide variety of file extensions, including complex or multifaceted "dot" extensions.
If you need to work with standard types like .docx, as well as less common ones including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/