FileMagic is known as a versatile file-handling software that streamlines the task of opening, and managing numerous file extensions, such as hard-to-handle or multifaceted "dot" file types.
In case you encounter common types including .docx, or more obscure ones like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/