Mit 7zX, dem 7Zip für Mac-Betriebssystem ist dies erstmals möglich.Dabei hat die Implementierung für Mac OS X allerdings nur das Kompressionsformat mit der Version für Windows gemein.

7zX is a 100% free file archiver with a very high compression ratio.

Most people on the Mac use Stuffit Expander to compress and decompress files but there are some occasions where this either doesn't produce the best results or is not suitable for your compression needs. After you select all the files and folders you want to include in the zip file, right-click or Control-click on any one of the items and select Compress from the pop-up menu. Shift-click to select a range of files or command-click to select nonadjacent items. Select the items you want to include in the zip file.Popular mail files on Mac OS including EML, EMLX, Images can be Read using this DMG Viewer utility. This tool supports to view DMG File of both Read-Only & Compressed Type. The DMG viewer software open & read Mac DMG file emails on all Windows Operating System.Firefox 3 requires Mac OS X 10.4 or above.

Another option is TenFourMac, which is based on Mozilla 2.0 and Firefox 4 code.

Mac OS X 10.4 users, and 10.5 users with a PPC Mac, can download the latest Firefox 3.6.xx release version for Mac OS, currently available from here or from the Mozilla CDN site (Firefox 3.6 requires Mac OS X 10.4 or above).

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