StuffIt Expander easily expands and decoded all the files you download from the Web or receive in your email. StuffIt Expander can expand over 30 formats including StuffIt, RAR, 7zip, split and segmented archives.
Are you getting "Operation Not Permitted" errors when you try to open a Zip archive? Try StuffIt instead. StuffIt can open those password protected Zip archives. Other Features Automatically expand archives added to your designated "Watch Folder" Automatically scan expanded content with your AV app. Automate Expander with AppleScript