File Magic is known as a reliable file-handling software that makes easy the process of opening, and handling a wide variety of file extensions, such as the often confusing or multifaceted "dot" extensions.
In case you encounter common file extensions such as .docx, and even more obscure ones like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/