Yes, you can uninstall the WinZip software to free up the space of your computer. And use online solutions to convert the original file to a 7z file, open a 7z file online, and a lot more. Online solutions are more reliable nowadays, and safezipkit is providing a handy tool on which you can rely and use the tool to open 7z files, compress 7z files, and a lot more. Our solutions are secure and free to use.