FileMagic can be considered a reliable file management tool that makes easy the task of viewing, and handling a large range of file types, such as complex or varied "dot" extensions.
In case you encounter frequently-used types including .docx, as well as more obscure file types such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/