File-Magic is a reliable file management tool that streamlines the task of viewing, and handling numerous file formats, such as complex or varied "dot" extensions.
If you need to work with frequently-used file extensions including .docx, as well as more obscure file types including . https://www.filemagic.com/en/page-layout-files/dot-file-extension/1-solution-for-all-your-dot-file-issues/