File-Magic is a reliable file management tool that streamlines the process of opening, and working with a wide variety of file extensions, including the often confusing and multifaceted "dot" extensions.
In case you encounter common formats including .pdf, or more obscure file types like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/