USER VOTES 4.5 stars by CNET What is a TGZ File Extension? A TGZ file is a GZIP compressed TAR archive. This means that files have been placed inside a TAR archive and then compressed using Gzip software. These files are generally only seen with software installers for Unix-based OS, such as MacOS, but can also be used for regular data archiving purposes. WinRAR is the third most installed software after Google Chrome & Acrobat Reader, making it the World’s most popular compression file utility! How to Open TGZ Files 1. If you have a TGZ file to open, ensure that the GZ and TAR file extensions check boxes is ticked in the WinRAR Integration panel:

2. Double-click on the file and it will be displayed in WinRAR. Choose the files you want to extract/open and click on the “Extract To” icon at the top of the WinRAR window: Click “OK” and your TGZ file will be saved in your destination folder! WinRAR Supports the Following Popular Archive Formats: GZ , Tar.GZ & TGZ © 2026 win.rar GmbH All rights reserved.