File-Magic can be considered a versatile file viewer that simplifies the process of viewing, and managing numerous file formats, including complex and multifaceted "dot" files.
In case you encounter common file extensions such as .docx, as well as more obscure formats like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/