FileMagic can be considered a versatile file management tool that makes easy the process of managing, and handling numerous file formats, including complex and multifaceted "dot" extensions.
If you need to work with common formats including .docx, and even more obscure formats including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/