FileMagic can be considered a reliable file-handling software that streamlines the process of viewing, and handling a large range of file extensions, such as complex and multifaceted "dot" file types.
If you need to work with standard types including .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/