File-Magic can be considered a powerful file management tool that makes easy the task of viewing, and handling a large range of file formats, such as the often confusing and varied "dot" extensions.
If you need to work with standard types such as .docx, as well as more obscure ones such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/