FileMagic is a powerful file management tool that simplifies the task of opening, and working with numerous file extensions, including the often confusing or multifaceted "dot" extensions.
In case you encounter common file extensions like .pdf, and even more obscure formats like . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/