<s>
StuffIt	B-Operating_System
Expander	I-Operating_System
is	O
a	O
proprietary	B-Application
,	O
freeware	B-License
,	O
closed	B-Application
source	I-Application
,	O
decompression	B-General_Concept
software	I-General_Concept
utility	O
developed	O
by	O
Allume	O
Systems	O
(	O
a	O
subsidiary	O
of	O
Smith	O
Micro	O
Software	O
formerly	O
known	O
as	O
Aladdin	O
Systems	O
)	O
.	O
</s>
<s>
It	O
runs	O
on	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
,	O
macOS	B-Application
,	O
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Prior	O
to	O
2011	O
,	O
a	O
Linux	B-Application
version	O
had	O
also	O
been	O
available	O
for	O
download	O
.	O
</s>
<s>
16.2	O
for	O
OS	B-Operating_System
X	I-Operating_System
10.11	I-Operating_System
+	O
(	O
as	O
of	O
December	O
2020	O
)	O
;	O
</s>
<s>
16.0.5	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.8	I-Operating_System
+	O
;	O
</s>
<s>
15.0.7	O
(	O
2011	O
)	O
for	O
Mac	B-Device
OS	I-Device
X	I-Device
10.6.8	I-Device
+	O
;	O
</s>
<s>
15.0.4	O
(	O
2011	O
)	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
10.5	I-Application
+	O
;	O
</s>
<s>
14.0.1	O
(	O
2010	O
)	O
for	O
Mac	B-Application
OS	I-Application
X	I-Application
10.4	I-Application
+	O
;	O
</s>
<s>
10.0.2	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.3	I-Operating_System
+	O
;	O
</s>
<s>
8.0.2	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.0	I-Operating_System
+	O
;	O
</s>
<s>
7.0.3	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
8.6	I-Operating_System
+	O
;	O
</s>
<s>
6.0.1	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
8.1	I-Operating_System
+	O
(	O
PowerPC	O
only	O
)	O
;	O
</s>
<s>
5.5.1	O
for	O
System	B-Operating_System
7.1	I-Operating_System
+	O
(	O
68020	O
and	O
up	O
,	O
PowerPC	O
)	O
;	O
</s>
<s>
StuffIt	B-Application
has	O
been	O
a	O
target	O
of	O
criticism	O
and	O
dissatisfaction	O
from	O
Mac	O
users	O
in	O
the	O
past	O
as	O
the	O
file	O
format	O
changes	O
frequently	O
,	O
notably	O
during	O
the	O
introduction	O
of	O
StuffIt	B-Application
version	O
5.0	O
.	O
</s>
<s>
Expander	O
5.0	O
contained	O
many	O
bugs	O
,	O
and	O
its	O
file	O
format	O
was	O
not	O
readable	O
by	O
the	O
earlier	O
version	O
4.5	O
,	O
leaving	O
Mac	O
users	O
of	O
the	O
time	O
without	O
a	O
viable	O
compression	B-General_Concept
utility	I-General_Concept
.	O
</s>
<s>
The	O
latest	O
stand-alone	B-General_Concept
version	O
for	O
Windows	B-Application
is	O
2011	O
(	O
15.0	O
)	O
.	O
</s>
<s>
Unlike	O
the	O
version	O
before	O
it	O
(	O
12.0	O
)	O
,	O
which	O
was	O
only	O
able	O
to	O
decompress	O
the	O
newer	O
(	O
and	O
ZIP	B-General_Concept
)	O
archives	O
,	O
version	O
2009	O
claims	O
to	O
be	O
able	O
to	O
decompress	O
over	O
30	O
formats	O
,	O
some	O
listed	O
below	O
.	O
</s>
<s>
The	O
previous	O
stand-alone	B-General_Concept
version	O
able	O
to	O
decompress	O
and	O
other	O
classic	O
Mac	O
OS-specific	O
archives	O
was	O
7.02	O
,	O
distributed	O
with	O
StuffIt	B-Application
v7.0.x	O
for	O
Windows	B-Application
.	O
</s>
<s>
From	O
versions	O
7.5.x	O
to	O
11	O
the	O
Expander	O
capabilities	O
were	O
actually	O
performed	O
by	O
the	O
StuffIt	B-Application
Standard	I-Application
Edition	I-Application
,	O
that	O
allowed	O
decompression	B-General_Concept
even	O
after	O
the	O
end	O
of	O
the	O
trial	O
period	O
.	O
</s>
<s>
To	O
start	O
StuffIt	B-Application
in	O
Expander	O
mode	O
the	O
following	O
command	B-Application
line	I-Application
switches	O
were	O
used	O
:	O
.	O
</s>
<s>
With	O
older	O
versions	O
of	O
StuffIt	B-Operating_System
Expander	I-Operating_System
on	O
the	O
classic	B-Application
Mac	I-Application
OS	I-Application
platform	O
,	O
such	O
as	O
StuffIt	B-Operating_System
Expander	I-Operating_System
3.5	O
,	O
it	O
was	O
possible	O
to	O
enhance	O
the	O
capabilities	O
of	O
StuffIt	B-Operating_System
Expander	I-Operating_System
and	O
to	O
add	O
support	O
for	O
decompressing	O
additional	O
archive	O
formats	O
by	O
means	O
of	O
the	O
shareware	O
DropStuff	O
with	O
Expander	O
Enhancer	O
software	O
from	O
Aladdin	O
Systems	O
.	O
</s>
<s>
There	O
is	O
also	O
a	O
command	B-Application
line	I-Application
DOS	B-Device
application	O
called	O
UNSTUFF	O
v1.1	O
that	O
allows	O
decompression	B-General_Concept
of	O
files	O
.	O
</s>
<s>
StuffIt	B-Operating_System
Expander	I-Operating_System
2009	O
decompresses	O
files	O
in	O
the	O
following	O
formats	O
:	O
</s>
