: 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
: The original free and open-source software for the 7z format. It is available on the official 7-Zip website . : In development, "RC" typically stands for Release