FileMagic can be considered a powerful file management tool that makes easy the task of opening, and handling a wide variety of file types, such as the often confusing and varied "dot" extensions.
If you need to work with frequently-used types like .pdf, and even less common formats such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/