Although its likely, that some file extensions may be missing from the list of associated file extensions with the application, yet they can be opened, be part of, or otherwise be associated with the program. sit (Stuffit) format, so you need to have Expander anyway, unfortunately.

However, you will still see a lot of Mac software distributed in. OR File Data This file is sold by fixyourcar, an independent seller on Tradebit. Sold by fixyourcar on Tradebit The worlds largest download marketplace. dmg for compressing my own files (.zip is also cross-platform). 184mb ZIPX file Secure, instant download. However, this doesn't mean that all is bad with the Stuffit Expander software. Stuffit is a once-great app that is now something of a dinosaur. For example, if you want to run a game that is designed for the Macintosh, then Stuffit Expander won't work for it. But at some point in the evolution of OS X, I don't remember when, the OS gained the ability to compress and uncompress zip archives. Stuffit Expander is a utility that is not able to decompress, hence Mac OS X will not be able to run certain programs that require decompression. However most, if not all directly associated file extensions should be listed with its appropriate program. Stuffit Expander was indeed indispensable when it was included with all Mac OS installations. The list of extensions used or otherwise associated with the application may not be complete, because many common file extensions on our website, such as jpg (pictures) or txt (text files), can be opened by a large number of applications, or are too general file format. StuffIt Expander opens files created with WinZip®, 7zX, iShrink, SimplyRAR, Rarify, Rucksack (formerly iArchiver), BetterZip, RarMachine, GUI Tar, CleanArchiver, Springy, TarPit, RAR, Ez7z, Keka, and the compression utilities built into recent versions of Windows and Mac OS X. Note: You can click on any file extension link from the list below, to view its detailed information. StuffIt Expander works with the following file extensions:

Stuffit expander zipx