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StuffIt Expander 5.5 was the most commonly used archive extractor in the later 90's on Mac OS 8 until the standard edition 7.0 came bundled with Mac OS 9. Until version 7, StuffIt Expander 5.5 was a must have tool especially for people surfing the web as everything was compressed and archived in .sit or .hqx as a way to preserve resource forks on web servers. Without archiving, any Mac software would have been rendered useless the instant it would be stored on a PC server. That's why StuffIt Expander 5.5 has always been freely distributed on various software compilations and has always been free to use.
StuffIt Expander could extract a wide variety of archive types such as to name a few: .sit, .zip, .tar, .bin, .cpt
IMPORTANT: Stuffit archive segments (file.1, file.2, file.3) cannot be expanded with Stuffit Expander alone; They either require Stuffit EE (Expansion Enhancer) or Stuffit Deluxe. If you plan on writing DropStuff 5.5 to 1.4MB floppy disks and installing it on an old Mac, you should begin by installing Stuffit Deluxe 3.5.1 on that old Mac first. Stuffit Deluxe 3.5.1 will enable you to join the 2 segments and obtain a regular .sit archive, which in turn you will expand using Stuffit Expander 5.5 from this page. Before installing DropStuff 5.5, you should remove everything Stuffit Deluxe 3.5.1 related (namely the "Aladdin", "Stuffit Engine" and "Viewer Engine" under System Folder > Extensions). You do not need Stuffit Deluxe 3.5.1 anymore as DropStuff 5.5 comes with Stuffit EE, which will give you the archive segment expansion benefits you had with Stuffit Deluxe.
DropStuff 5.5 is the opposite of Stuffit Expander, it lets you compress/archive Mac files to a binary safe format such as .sit. Using DropStuff, you could archive any files you want and copy them to a PC file system without any fear of file corruption.
Stuffit_Expander_5.5.dsk (1.41 MiB / 1.47 MB)
Stuffit Expander v5.5 on a 1.4MB floppy disk image / DSK image
Stuffit-Expander-5-5.iso.zip (3.54 MiB / 3.71 MB)
(Same as above, but in .iso format in case you cannot mount .dsk) / ISO image, zipped
Stuffit_DropStuff_5.5_1of2.dsk (1.41 MiB / 1.47 MB)
DropStuff v5.5 SEGMENTED on two 1.4MB floppy disk images (1/2) (use Stuffit Deluxe 3.5.1 or newer) / DSK image
Stuffit_DropStuff_5.5_2of2.dsk (1.41 MiB / 1.47 MB)
DropStuff v5.5 SEGMENTED on two 1.4MB floppy disk images (2/2) (use Stuffit Deluxe 3.5.1 or newer) / DSK image
dropstuff-55-installer.sit (1.87 MiB / 1.96 MB)
DropStuff v5.5, not segmented / compressed w/ Stuffit
Architecture: 68K or PPC
Mac OS 7.5 - Mac OS 9.2.2
Note: For Mac OS 7.1, 7.0 or 6.x, please download: Stuffit Expander 4.0.2
Warning: This version crashes on Macintosh SE or earlier
Emulating this? It should run fine under: SheepShaver