<s>
Direct	B-General_Concept
Access	I-General_Concept
Archive	I-General_Concept
,	O
or	O
DAA	O
,	O
is	O
a	O
proprietary	O
file	O
format	O
developed	O
by	O
PowerISO	O
Computing	O
for	O
disk	B-Application
image	I-Application
files	O
.	O
</s>
<s>
Popular	O
Windows	B-Application
disk	B-Application
image	I-Application
mounting	B-Application
programs	O
such	O
as	O
Alcohol	B-Application
120%	I-Application
and	O
Daemon	B-Application
Tools	I-Application
currently	O
do	O
not	O
support	O
the	O
mounting	B-Application
of	O
DAA	O
images	O
;	O
Linux	B-Application
and	O
BSD	O
also	O
do	O
not	O
support	O
mounting	B-Application
images	O
of	O
this	O
kind	O
.	O
</s>
<s>
Among	O
mainstream	O
applications	O
,	O
it	O
can	O
be	O
opened	O
or	O
converted	O
with	O
MagicISO	B-Application
and	O
UltraISO	B-Application
.	O
</s>
<s>
Various	O
free	O
and	O
open-source	O
packages	O
are	O
also	O
available	O
to	O
convert	O
DAA	O
to	O
ISO	B-General_Concept
images	I-General_Concept
.	O
</s>
<s>
Although	O
lacking	O
official	O
documentation	O
,	O
DAA	O
image	O
files	O
are	O
zlib	B-Language
-	O
or	O
lzma-compressed	O
ISO	B-General_Concept
images	I-General_Concept
chunk	O
by	O
chunk	O
.	O
</s>
<s>
PowerISO	O
provides	O
free	O
command-line	B-Application
tools	I-Application
for	O
Linux	B-Application
and	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
which	O
allow	O
the	O
user	O
to	O
extract	O
DAA	O
files	O
or	O
convert	O
them	O
into	O
ISO	B-General_Concept
format	O
,	O
however	O
these	O
tools	O
have	O
not	O
been	O
updated	O
to	O
support	O
the	O
newest	O
version	O
of	O
the	O
DAA	O
format	O
.	O
</s>
<s>
The	O
PowerISO	O
Windows	B-Application
trial	O
version	O
only	O
supports	O
converting	O
images	O
from	O
DAA	O
files	O
up	O
to	O
300MB	O
,	O
less	O
than	O
half	O
of	O
the	O
capacity	O
of	O
a	O
standard	O
CD	B-Device
.	O
</s>
<s>
AcetoneISO	B-Language
is	O
a	O
free	O
CD/DVD	O
management	O
application	O
for	O
Linux	B-Application
that	O
can	O
convert	O
DAA	O
to	O
ISO	B-General_Concept
with	O
the	O
help	O
of	O
the	O
external	O
PowerISO	O
command-line	B-Application
tool	I-Application
for	O
Linux	B-Application
.	O
</s>
<s>
daa2iso	O
is	O
an	O
open	O
source	O
command	B-Application
line	I-Application
application	O
has	O
been	O
developed	O
to	O
convert	O
DAA	O
files	O
to	O
ISO	B-General_Concept
files	I-General_Concept
.	O
</s>
<s>
The	O
program	O
comes	O
with	O
a	O
Windows	B-Application
binary	O
and	O
source	O
code	O
which	O
compiles	O
under	O
Unix-like	O
operating	O
systems	O
.	O
</s>
<s>
For	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
DAA	O
Converter	O
is	O
a	O
GUI	O
application	O
which	O
wraps	O
the	O
daa2iso	O
command-line	B-Application
tool	I-Application
(	O
GNU	O
license	O
)	O
.	O
</s>
<s>
Due	O
to	O
using	O
freely	O
available	O
compression	O
algorithms	O
,	O
DAA	O
includes	O
the	O
following	O
features	O
that	O
are	O
absent	O
in	O
ISO	B-General_Concept
(	O
but	O
can	O
be	O
obtained	O
by	O
manually	O
compressing	O
ISO	B-General_Concept
files	I-General_Concept
)	O
:	O
</s>
