StuffIt Standard Edition for Windows
StuffIt Standard Edition(tm) makes it easy to access and send . Sit, . Zip, and self-extracting . Exe archives quickly and securely with best-ever compression, 512-bit encryption, and data integrity protection! Use new error-correction to repair any data lost due to transfer error or bad media. ... StuffItÕs new compression format, StuffIt X, now offers even faster and tighter compression than ever before! ... StuffIt can be set to archive only those files that have changed since the last time you backed them up.
http://www.stuffit.com/downloads/StuffItStd8.5.2.165Setup.exe - 12Mb - Download - Screenshot