FileMagic can be considered a reliable file management tool that streamlines the task of viewing, and working with numerous file types, including complex and multifaceted "dot" extensions.
If you need to work with frequently-used types such as .docx, and even uncommon ones such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/