FileMagic can be considered a powerful file-handling software that simplifies the process of viewing, and managing a large range of file formats, such as the often confusing and varied "dot" files.
In case you encounter frequently-used formats including .pdf, or more obscure ones including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/