Use the decompression utility of your choice to expand it ( StuffIt Expander is a good choice). (a) The software will probably be compressed. Note: If you are running Mini vMac you will need to use an earlier version of StuffIt (v 4.x or earlier). This is the easiest method to place a version of StuffIt onto your Mac or emulator and it can access many of the archives found here (including other compressed formats and not only StuffIt's own '.sit' archives). Install the StuffIt Expander v5.5 from here. If you are new to classic Macintosh and require a version of StuffIt to access '.sit' files and you do not have a copy of StuffIt already installed or know how to go about extracting '.sit' archives then: Most files uploaded to the Macintosh Garden have been archived using some form of compression software.Ī common archived format you will encounter here, are files that have been compressed using a version of StuffIt (Deluxe, DropStuff, or Lite) and saved as '.sit' archives.