<s>
Microsoft	B-Application
Expression	I-Application
Studio	I-Application
is	O
a	O
discontinued	O
suite	O
of	O
tools	O
for	O
designing	O
and	O
building	O
Web	O
and	O
Windows	O
client	O
applications	O
and	O
rich	O
digital	O
media	O
content	O
.	O
</s>
<s>
Microsoft	O
introduced	O
Microsoft	B-Application
Expression	I-Application
on	O
September	O
16	O
,	O
2005	O
,	O
at	O
Microsoft	O
's	O
Professional	O
Developers	O
Conference	O
2005	O
in	O
Los	O
Angeles	O
.	O
</s>
<s>
Microsoft	B-Application
Expression	I-Application
Encoder	I-Application
was	O
introduced	O
at	O
NAB	O
2007	O
.	O
</s>
<s>
Microsoft	B-Application
Expression	I-Application
Studio	I-Application
was	O
released	O
to	O
manufacturing	O
(	O
RTM	O
)	O
on	O
April	O
30	O
,	O
2007	O
.	O
</s>
<s>
Microsoft	B-Application
Expression	I-Application
Studio	I-Application
2	O
was	O
released	O
on	O
May	O
1	O
,	O
2008	O
,	O
which	O
also	O
included	O
a	O
graphical	O
makeover	O
for	O
the	O
suite	O
to	O
an	O
inverse	O
of	O
the	O
previous	O
black-on-white	O
theme	O
.	O
</s>
<s>
This	O
release	O
brings	O
all	O
products	O
in	O
the	O
suite	O
to	O
version	O
2	O
,	O
and	O
now	O
also	O
includes	O
Visual	B-Application
Studio	I-Application
Standard	O
2008	O
.	O
</s>
<s>
Microsoft	B-Application
Expression	I-Application
Studio	I-Application
is	O
also	O
available	O
to	O
students	O
as	O
downloads	O
via	O
Microsoft	O
's	O
DreamSpark	O
program	O
.	O
</s>
<s>
Microsoft	B-Application
Expression	I-Application
Studio	I-Application
3	O
was	O
released	O
on	O
July	O
22	O
,	O
2009	O
.	O
</s>
<s>
This	O
release	O
brings	O
all	O
products	O
in	O
the	O
suite	O
to	O
version	O
3	O
,	O
with	O
significant	O
improvements	O
especially	O
targeting	O
Silverlight	B-Application
3	I-Application
.	O
</s>
<s>
Expression	B-Operating_System
Media	I-Operating_System
is	O
no	O
longer	O
a	O
part	O
of	O
package	O
,	O
while	O
all	O
other	O
products	O
have	O
been	O
significantly	O
improved	O
and	O
enriched	O
.	O
</s>
<s>
On	O
June	O
7	O
,	O
2010	O
,	O
Expression	B-Application
Studio	I-Application
4	O
was	O
released	O
.	O
</s>
<s>
Expression	B-Application
Studio	I-Application
4	O
is	O
a	O
free	O
upgrade	O
version	O
for	O
licensed	O
Expression	B-Application
Studio	I-Application
3	O
users	O
,	O
but	O
only	O
for	O
retail	O
copies	O
.	O
</s>
<s>
On	O
December	O
20	O
,	O
2012	O
,	O
Microsoft	O
announced	O
that	O
the	O
Expression	O
products	O
would	O
be	O
discontinued	O
,	O
with	O
Blend	O
becoming	O
a	O
standalone	O
tool	O
with	O
Visual	B-Application
Studio	I-Application
2012	O
Update	O
2	O
,	O
Expression	B-Application
Studio	I-Application
4	O
Ultimate	O
and	O
Expression	B-Application
Studio	I-Application
4	O
Web	O
Professional	O
no	O
longer	O
available	O
for	O
sale	O
but	O
supported	O
through	O
their	O
support	O
lifecycle	O
,	O
Expression	B-Application
Design	I-Application
4	O
and	O
Expression	B-Application
Web	I-Application
4	O
available	O
as	O
unsupported	O
free	O
editions	O
,	O
Expression	B-Application
Encoder	I-Application
4	O
Pro	O
available	O
for	O
purchase	O
through	O
2013	O
,	O
and	O
Expression	B-Application
Encoder	I-Application
4	O
remains	O
available	O
for	O
download	O
at	O
no	O
charge	O
.	O
</s>
<s>
Expression	B-Application
Studio	I-Application
Web	O
Professional	O
consists	O
of	O
:	O
</s>
<s>
Expression	B-Application
Studio	I-Application
Ultimate	O
consist	O
of	O
all	O
previous	O
components	O
,	O
as	O
well	O
as	O
:	O
</s>
<s>
Expression	B-Application
Encoder	I-Application
and	O
SuperPreview	O
are	O
the	O
only	O
components	O
that	O
can	O
be	O
obtained	O
individually	O
.	O
</s>
<s>
Expression	B-Application
Encoder	I-Application
consists	O
of	O
two	O
editions	O
:	O
A	O
freeware	B-License
edition	O
and	O
a	O
commercial	B-Application
Pro	O
edition	O
.	O
</s>
<s>
Prior	O
to	O
version	O
3	O
,	O
the	O
suite	O
also	O
consisted	O
of	O
Microsoft	B-Operating_System
Expression	I-Operating_System
Media	I-Operating_System
,	O
a	O
digital	O
asset	O
management	O
application	O
sold	O
to	O
Phase	O
One	O
.	O
</s>
<s>
Until	O
version	O
2	O
,	O
Expression	B-Application
Web	I-Application
was	O
the	O
only	O
application	O
in	O
the	O
Expression	B-Application
Studio	I-Application
suite	O
based	O
on	O
Microsoft	B-Application
Office	I-Application
code	O
and	O
dependencies	O
.	O
</s>
<s>
With	O
version	O
3	O
,	O
Expression	B-Application
Web	I-Application
was	O
rewritten	O
in	O
Windows	B-Device
Presentation	I-Device
Foundation	I-Device
,	O
in	O
line	O
with	O
the	O
rest	O
of	O
the	O
Expression	O
Suite	O
,	O
without	O
Microsoft	B-Application
Office	I-Application
dependencies	O
,	O
essentially	O
making	O
it	O
a	O
new	O
managed	O
code	O
program	O
.	O
</s>
<s>
Version	O
3	O
introduced	O
Expression	B-Application
Web	I-Application
3	O
SuperPreview	O
tool	O
for	O
comparing	O
and	O
rendering	O
webpage	O
in	O
various	O
browsers	O
.	O
</s>
<s>
The	O
version	O
of	O
Expression	B-Application
Encoder	I-Application
Pro	I-Application
4	O
available	O
as	O
part	O
of	O
Expression	B-Application
Studio	I-Application
in	O
programs	O
like	O
DreamSpark	O
,	O
BizSpark	O
,	O
WebsiteSpark	O
and	O
through	O
MSDN	O
Ultimate	O
does	O
not	O
include	O
royalty	O
incurring	O
codec	O
and	O
standards	O
support	O
for	O
exporting	O
in	O
MP4	O
format	O
(	O
H.264	B-Application
video	O
and	O
AAC	B-Application
audio	O
)	O
.	O
</s>
<s>
It	O
also	O
does	O
not	O
include	O
import	O
filters	O
for	O
TS	O
,	O
M2TS	O
,	O
AVCHD	O
,	O
MPEG-2	B-Algorithm
,	O
and	O
AC-3	O
although	O
if	O
third	O
party	O
DirectShow	B-Library
filters	O
are	O
installed	O
,	O
it	O
is	O
able	O
to	O
import	O
these	O
formats	O
as	O
is	O
the	O
free	O
version	O
.	O
</s>
<s>
Expression	B-Application
Encoder	I-Application
Pro	I-Application
version	O
available	O
in	O
retail	O
does	O
not	O
have	O
these	O
limitations	O
.	O
</s>
<s>
With	O
the	O
release	O
of	O
Expression	B-Application
Studio	I-Application
4	O
,	O
three	O
editions	O
of	O
Expression	B-Application
Studio	I-Application
were	O
introduced	O
:	O
Expression	B-Application
Studio	I-Application
4	O
Web	O
Professional	O
(	O
includes	O
Expression	B-Application
Encoder	I-Application
,	O
Design	O
and	O
Web	O
)	O
,	O
Expression	B-Application
Studio	I-Application
4	O
Premium	O
(	O
adds	O
Blend	O
to	O
the	O
suite	O
)	O
and	O
Expression	B-Application
Studio	I-Application
4	O
Ultimate	O
(	O
adds	O
SketchFlow	O
)	O
.	O
</s>
<s>
MSDN	O
subscribers	O
receive	O
only	O
the	O
SKU	O
of	O
Expression	B-Application
Studio	I-Application
4	O
that	O
corresponds	O
to	O
their	O
Visual	B-Application
Studio	I-Application
2010	O
license	O
.	O
</s>
<s>
Some	O
editions	O
of	O
Expression	B-Application
Studio	I-Application
also	O
include	O
product	O
activation	O
.	O
</s>
