File-Magic is a reliable file viewer that simplifies the task of managing, and managing a wide variety of file types, especially the often confusing and diverse "dot" file types.
In case you encounter standard file extensions such as .docx, or more obscure formats including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/