Some users are surprised that Ubuntu does not have native support for compressing or extracting files in
7z format, which is being an open format, high power compression. For . No need to install additional applications.
Open Synaptic. Menu System> Administration> Synaptic Package Manager- We set to install and apply the changes.
- Now our Archive Manager (File Roller) automatically recognize files with 7z to decompress. addition to those wondering how to compress files in Ubuntu 7z, good news because the option is automatically added to the dialog "Create archive ...», accessible from the context menu (right click).
Source:
Tombuntu