FileMagic is known as a reliable file management tool that streamlines the task of opening, and managing numerous file formats, including complex or multifaceted "dot" extensions.
If you need to work with standard formats like .jpg, as well as more obscure formats such as . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/