Mac users interested in Winzip for osx 10.5.8 generally download:
Compress your data into ZIP archives, protect them with a password, and share them via email. Edit files within a ZIP file without the necessity to extract them. Open a wide range of common compressed file formats, including ZIPX, RAR, LHA, 7z, WAR, and JAR.
iZip is a utility designed to help you create and extract archive files on your Mac computer. The program is very intuitive, supports drag-and-drop actions, lets you password-protect the create archive files, and takes a small amount of time to extract archives.
BetterZip is an application that comes as an alternative to using Mac's Archive Utility for managing your compressed data. This program provides you with a quick and simple solution for creating, editing, and extracting various types of archive files.
Open archives in a wide range of formats, including ZIP, RAR, 7Z, TAR, SIT, 7-Zip, 7zX, iShrink, SimplyRAR, Rarify, SITX, Keka, iArchiver, etc. Extract files from protected ZIP archives encrypted with 512-bit or AES 256-bit algorithms. Get the Growl notifications or an email when the process of decompression is over.
Organize your compressed archives in all popular compression formats including RAR, ZIP, CAB, ARJ, LZH, ACE, TAR, GZip, UUE, ISO, BZIP2, Z, and 7-Zip. Save precious disk space, reduce transmission costs, and optimize your valuable working time. Detect and utilize the most effective compression method for each specific file.