: In development, "RC" typically stands for Release Candidate . "RC9" would imply the ninth version of a software build intended for final testing before a stable release.
: Popular commercial utilities that also support the extraction of .7z files. Common Use Cases Extracting compressed .zip or .7z archives with 7-Zip RC9.7z
: A cross-platform alternative that offers a full graphical interface for Windows, macOS, and Linux to browse and extract 7z archives. : In development, "RC" typically stands for Release