It also integrates with the Windows Explorer menus, displaying archive files as folders and providing a toolbar with drag-and-drop functions. At the same time, the View menu contains a Folder History, and the Favorites menu allows you to save up to ten folders. For example, the extract button lets you quickly browse or accept the default destination directory for your file. The main toolbar contains its most used features, and several menus allow you to dig deeper. It has a straightforward and easy-to-navigate interface. 7-Zip is free, open-source software with open source under the GNU LGPL license. 7-Zip is a file archiver featuring a high compression ratio to extract or create compressed files in multiple formats.