P7Zip Desktop, graphical frontend for p7zip file archiver, available to install via Snap package in Ubuntu 16.04, Ubuntu 18.04, and higher.

7-zip is a file archiver with the highest compression ratio. And P7zip is a port of the command line version of 7zip.

P7Zip-Desktop is a soft-fork of p7zip that provides graphical user interface, though the UI looks old.

Install P7Zip Desktop in Ubuntu:

P7Zip Desktop is available as Snap, containerised software package, so it can be easily installed from Ubuntu Software:

You can also run command in terminal to install it:

snap install p7zip-desktop

To access outside user home directory, run snap install p7zip-desktop --classic instead.

Once installed, open the file archiver from application menu and enjoy!

In addition for Ubuntu 16.04, install snapd daemon first if previous steps do not work:

sudo apt install snapd snapd-xdg-open