Install unace-nonfree by entering the following commands in the terminal:
sudo apt update sudo apt install unace-nonfree
Description:
extract, test and view .ace archives (non-free version)
The unace utility is used for extracting, testing and viewing the contents of archives created with the ACE archiver. . Unlike the unace package which can only extract ACE 1.0 archives, the unace-nonfree package allows one to unpack all current ACE archives.
Homepage: http://www.winace.com/
Version: 2.5-9
Section: multiverse/utils