Click the Start menu and access WinZip.gz file, save it on any location on your computer. How to Open or Unpack a Tar GZ File in Windows 10 Computer? Method #1 – Unzip the File Through WinZip Credit: WinZip There are also ways on how you can open the TGZ archives on your Windows 10 PC. Still, even if you are using Windows 10 and receive a TGZ file compression, you don’t need a Mac or Ubuntu to extract the files and view them. These files are also called tarballs and used on Unix and Mac. Similar to ZIP files, TGZ may contain several files that you need to extract to open and view. gz, you are looking at a TGZ compressed file. Some of these files have common extensions, while others have unfamiliar ones, such as the TGZ files. In receiving files online, we can get various types of file formats.