File-Magic can be considered a versatile file-handling software that simplifies the process of opening, and working with a large range of file formats, including complex and diverse "dot" files.
In case you encounter standard file extensions such as .pdf, and even more obscure file types including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/