FileMagic is known as a reliable file management tool that simplifies the process of opening, and managing numerous file formats, including hard-to-handle or diverse "dot" file types.
In case you encounter standard file extensions including .pdf, and even uncommon formats such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/