File Magic can be considered a powerful file viewer that makes easy the task of opening, and managing a wide variety of file types, such as the often confusing or varied "dot" files.
If you need to work with standard formats including .pdf, as well as uncommon ones including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/