<s>
Adobe	B-Application
Acrobat	I-Application
is	O
a	O
family	O
of	O
application	B-Application
software	I-Application
and	O
Web	O
services	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
view	O
,	O
create	O
,	O
manipulate	O
,	O
print	O
and	O
manage	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
files	O
.	O
</s>
<s>
The	O
family	O
comprises	O
Acrobat	B-Application
Reader	I-Application
(	O
formerly	O
Reader	O
)	O
,	O
Acrobat	O
(	O
formerly	O
Exchange	O
)	O
and	O
Acrobat.com	B-Application
.	O
</s>
<s>
The	O
basic	O
Acrobat	B-Application
Reader	I-Application
,	O
available	O
for	O
several	O
desktop	B-Device
and	O
mobile	B-Application
platforms	I-Application
,	O
is	O
freeware	B-License
;	O
it	O
supports	O
viewing	O
,	O
printing	O
and	O
annotating	O
of	O
PDF	B-Application
files	I-Application
.	O
</s>
<s>
The	O
commercial	B-Application
proprietary	B-Application
Acrobat	O
,	O
available	O
for	O
Microsoft	B-Application
Windows	I-Application
and	O
macOS	B-Application
only	O
,	O
can	O
also	O
create	O
,	O
edit	O
,	O
convert	O
,	O
digitally	O
sign	O
,	O
encrypt	O
,	O
export	O
and	O
publish	O
PDF	B-Application
files	I-Application
.	O
</s>
<s>
Acrobat.com	B-Application
complements	O
the	O
family	O
with	O
a	O
variety	O
of	O
enterprise	B-Application
content	I-Application
management	I-Application
and	O
file	B-Application
hosting	I-Application
services	I-Application
.	O
</s>
<s>
The	O
main	O
function	O
of	O
Adobe	B-Application
Acrobat	I-Application
is	O
creating	O
,	O
viewing	O
,	O
and	O
editing	O
PDF	B-Application
documents	I-Application
.	O
</s>
<s>
It	O
can	O
import	O
popular	O
document	O
and	O
image	O
formats	O
and	O
save	O
them	O
as	O
PDF	B-Application
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
import	O
a	O
scanner	B-Application
's	O
output	O
,	O
a	O
website	O
,	O
or	O
the	O
contents	O
of	O
the	O
Windows	B-Application
clipboard	O
.	O
</s>
<s>
Because	O
of	O
the	O
nature	O
of	O
the	O
PDF	B-Application
,	O
however	O
,	O
once	O
a	O
PDF	B-Application
document	O
is	O
created	O
,	O
its	O
natural	O
organization	O
and	O
flow	O
cannot	O
be	O
meaningfully	O
modified	O
.	O
</s>
<s>
In	O
other	O
words	O
,	O
Adobe	B-Application
Acrobat	I-Application
is	O
able	O
to	O
modify	O
the	O
contents	O
of	O
paragraphs	O
and	O
images	O
,	O
but	O
doing	O
so	O
does	O
not	O
repaginate	O
the	O
whole	O
document	O
to	O
accommodate	O
for	O
a	O
longer	O
or	O
shorter	O
document	O
.	O
</s>
<s>
Acrobat	O
can	O
crop	O
PDF	B-Application
pages	O
,	O
change	O
their	O
order	O
,	O
manipulate	O
hyperlinks	O
,	O
digitally	O
sign	O
a	O
PDF	B-Application
file	I-Application
,	O
add	O
comments	O
,	O
redact	O
certain	O
parts	O
of	O
the	O
PDF	B-Application
file	I-Application
,	O
and	O
ensure	O
its	O
adherence	O
to	O
such	O
standards	O
as	O
PDF/A	B-General_Concept
.	O
</s>
<s>
Adobe	B-Application
Acrobat	I-Application
was	O
launched	O
in	O
1993	O
and	O
had	O
to	O
compete	O
with	O
other	O
products	O
and	O
proprietary	B-Application
formats	O
that	O
aimed	O
to	O
create	O
digital	O
documents	O
:	O
</s>
<s>
Initially	O
,	O
the	O
offered	O
products	O
were	O
called	O
Acrobat	B-Application
Reader	I-Application
,	O
Acrobat	B-Application
Exchange	I-Application
and	O
Acrobat	B-Operating_System
Distiller	I-Operating_System
.	O
</s>
<s>
"	O
Acrobat	B-Application
Exchange	I-Application
"	O
soon	O
became	O
"	O
Acrobat	O
"	O
.	O
</s>
<s>
Over	O
time	O
,	O
"	O
Acrobat	B-Application
Reader	I-Application
"	O
became	O
"	O
Reader	O
"	O
.	O
</s>
<s>
In	O
1999	O
,	O
the	O
Acrobat.com	B-Application
service	O
came	O
to	O
being	O
and	O
introduced	O
several	O
web	O
services	O
whose	O
names	O
started	O
with	O
"	O
Acrobat	O
"	O
,	O
but	O
eventually	O
,	O
"	O
Acrobat.com	B-Application
 "	O
was	O
downgraded	O
from	O
the	O
name	O
of	O
the	O
family	O
of	O
services	O
,	O
to	O
that	O
of	O
one	O
of	O
those	O
services	O
.	O
</s>
<s>
Unlike	O
most	O
other	O
Adobe	O
products	O
,	O
such	O
as	O
members	O
of	O
Adobe	B-Operating_System
Creative	I-Operating_System
Suite	I-Operating_System
family	O
,	O
the	O
Acrobat	O
products	O
do	O
not	O
have	O
icons	O
that	O
display	O
two	O
letters	O
on	O
a	O
colored	O
rectangle	O
.	O
</s>
<s>
In	O
April	O
2015	O
,	O
Adobe	O
introduced	O
the	O
"	O
Document	B-Application
Cloud	I-Application
"	O
branding	O
(	O
alongside	O
its	O
Creative	B-Operating_System
Cloud	I-Operating_System
)	O
to	O
signify	O
its	O
adoption	O
of	O
the	O
cloud	O
storage	O
and	O
the	O
software	B-Architecture
as	I-Architecture
a	I-Architecture
service	I-Architecture
model	O
.	O
</s>
<s>
In	O
addition	O
,	O
"	O
Reader	O
"	O
was	O
renamed	O
back	O
to	O
"	O
Acrobat	B-Application
Reader	I-Application
"	O
.	O
</s>
<s>
Following	O
the	O
introduction	O
of	O
Document	B-Application
Cloud	I-Application
,	O
Acrobat.com	B-Application
was	O
discontinued	O
as	O
their	O
features	O
were	O
integrated	O
into	O
the	O
desktop	B-Device
programs	O
and	O
mobile	B-Application
apps	O
.	O
</s>
<s>
The	O
GUI	O
had	O
major	O
changes	O
with	O
the	O
introduction	O
of	O
Acrobat	O
DC	O
in	O
2015	O
,	O
which	O
supports	O
Windows	B-Application
7	O
and	O
later	O
,	O
and	O
OS	O
X	O
10.9	O
and	O
later	O
.	O
</s>
<s>
Version	O
numbers	O
are	O
now	O
identified	O
by	O
the	O
last	O
two	O
digits	O
of	O
the	O
year	O
of	O
major	O
release	O
,	O
and	O
the	O
month	O
and	O
year	O
is	O
specified	O
;	O
the	O
previous	O
version	O
was	O
12	O
,	O
but	O
examples	O
of	O
the	O
DC	O
(	O
Document	B-Application
Cloud	I-Application
)	O
Acrobat	O
product	O
family	O
versions	O
are	O
DC	O
June	O
2016	O
,	O
version	O
15.016.20045	O
,	O
released	O
2	O
June	O
2016	O
and	O
DC	O
Classic	O
January	O
2016	O
,	O
version	O
15.006.30119	O
,	O
released	O
12	O
January	O
2016	O
.	O
</s>
<s>
In	O
September	O
2020	O
,	O
Adobe	O
released	O
a	O
feature	O
to	O
make	O
documents	O
easier	O
to	O
read	O
on	O
phones	O
called	O
"	O
Liquid	O
Mode	O
"	O
using	O
its	O
Sensei	O
AI	B-Application
.	O
</s>
<s>
Acrobat.com	B-Application
is	O
the	O
web	O
version	O
of	O
Acrobat	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
edit	O
,	O
create	O
,	O
manipulate	O
,	O
print	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
users	O
with	O
a	O
web	B-Application
browser	I-Application
and	O
an	O
Adobe	B-Language
ID	I-Language
only	O
.	O
</s>
<s>
Acrobat	B-Operating_System
Distiller	I-Operating_System
is	O
a	O
software	B-Application
application	I-Application
for	O
converting	O
documents	O
from	O
PostScript	B-Language
format	O
to	O
Adobe	B-Application
PDF	I-Application
(	O
Portable	B-Application
Document	I-Application
Format	I-Application
)	O
,	O
the	O
native	O
format	O
of	O
the	O
Adobe	B-Application
Acrobat	I-Application
family	O
of	O
products	O
.	O
</s>
<s>
Acrobat	B-Application
Pro	I-Application
is	O
the	O
professional	O
full	O
version	O
of	O
Acrobat	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
edit	O
,	O
create	O
,	O
manipulate	O
,	O
print	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
Windows	B-Application
and	O
macOS	B-Application
users	O
only	O
.	O
</s>
<s>
Acrobat	B-Application
Reader	I-Application
is	O
the	O
freeware	B-License
version	O
of	O
Acrobat	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
view	O
,	O
create	O
,	O
fill	O
,	O
print	O
and	O
format	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
Windows	B-Application
,	O
macOS	B-Application
,	O
iOS	B-Application
,	O
and	O
Android	B-Application
users	O
only	O
.	O
</s>
<s>
Acrobat	O
Standard	O
is	O
the	O
standard	O
full	O
version	O
of	O
Acrobat	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
edit	O
,	O
create	O
,	O
manipulate	O
,	O
print	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
Windows	B-Application
users	O
only	O
.	O
</s>
<s>
Document	B-Application
Cloud	I-Application
is	O
part	O
of	O
the	O
Acrobat	O
family	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
edit	O
,	O
create	O
,	O
save	O
online	O
,	O
print	O
and	O
format	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
users	O
with	O
a	O
web	B-Application
browser	I-Application
and	O
an	O
Adobe	B-Language
ID	I-Language
only	O
.	O
</s>
<s>
Fill	O
&	O
Sign	O
is	O
part	O
of	O
the	O
Acrobat	O
family	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
fill	O
,	O
sign	O
,	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
Windows	B-Application
,	O
macOS	B-Application
,	O
iOS	B-Application
,	O
and	O
Android	B-Application
users	O
only	O
.	O
</s>
<s>
Scan	O
is	O
part	O
of	O
the	O
Acrobat	O
family	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
scan	O
,	O
crop	O
,	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
iOS	B-Application
and	O
Android	B-Application
users	O
only	O
.	O
</s>
<s>
Sign	O
(	O
formerly	O
EchoSign	O
and	O
eSign	O
)	O
is	O
part	O
of	O
the	O
Acrobat	O
family	O
developed	O
by	O
Adobe	O
Inc	O
.	O
to	O
fill	O
,	O
sign	O
,	O
and	O
manage	O
files	O
in	O
the	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
It	O
is	O
currently	O
available	O
for	O
iOS	B-Application
and	O
Android	B-Application
users	O
only	O
.	O
</s>
<s>
Acrobat	O
Approval	O
allows	O
users	O
to	O
deploy	O
electronic	O
forms	O
based	O
on	O
the	O
Acrobat	O
Portable	B-Application
Document	I-Application
Format	I-Application
(	O
PDF	B-Application
)	O
.	O
</s>
<s>
Acrobat	O
Capture	O
is	O
a	O
document	O
processing	O
utility	O
for	O
Windows	B-Application
from	O
Adobe	O
Systems	O
that	O
converts	O
a	O
scan	O
of	O
any	O
paper	O
document	O
into	O
a	O
PDF	B-Application
file	I-Application
with	O
selectable	O
text	O
through	O
OCR	B-Application
technology	O
.	O
</s>
<s>
Acrobat	B-Operating_System
Distiller	I-Operating_System
Server	I-Operating_System
is	O
a	O
discontinued	O
server-based	O
utility	O
that	O
was	O
developed	O
by	O
Adobe	O
Systems	O
to	O
perform	O
centralized	O
high-volume	O
conversion	O
of	O
PostScript	B-Language
documents	O
to	O
PDF	B-Application
formats	I-Application
for	O
workgroups	O
.	O
</s>
<s>
Acrobat	O
eBook	O
Reader	O
is	O
a	O
PDF-based	O
e-book	O
reader	O
from	O
Adobe	O
Systems	O
.	O
</s>
<s>
Features	O
present	O
in	O
Acrobat	O
eBook	O
Reader	O
later	O
appeared	O
in	O
Digital	B-Language
Editions	I-Language
.	O
</s>
<s>
Its	O
key	O
feature	O
advantage	O
over	O
the	O
free	O
Acrobat	B-Application
Reader	I-Application
was	O
the	O
ability	O
to	O
create	O
reliable	O
PDF	B-Application
files	I-Application
from	O
Microsoft	B-Application
Office	I-Application
applications	O
.	O
</s>
<s>
Acrobat	O
InProduction	O
is	O
a	O
pre-press	O
tools	O
suite	O
for	O
Acrobat	O
released	O
by	O
Adobe	O
in	O
2000	O
to	O
handle	O
color	O
separation	O
and	O
pre-flighting	O
of	O
PDF	B-Application
files	I-Application
for	O
printing	O
.	O
</s>
<s>
Acrobat	O
Messenger	O
is	O
a	O
document	O
utility	O
for	O
Acrobat	O
users	O
that	O
was	O
released	O
by	O
Adobe	O
Systems	O
in	O
2000	O
to	O
convert	O
paper	O
documents	O
into	O
PDF	B-Application
files	I-Application
that	O
can	O
be	O
e-mailed	O
,	O
faxed	O
,	O
or	O
shared	O
online	O
.	O
</s>
<s>
Acrobat	B-Application
Reader	I-Application
Touch	O
is	O
a	O
free	O
PDF	B-Application
document	O
viewer	O
developed	O
and	O
released	O
on	O
December	O
11	O
,	O
2012	O
,	O
by	O
Adobe	O
Systems	O
for	O
the	O
Windows	B-Application
Touch	I-Application
user	O
interface	O
.	O
</s>
<s>
FormsCentral	O
was	O
a	O
web	O
form	O
filling	O
server	O
for	O
users	O
with	O
Windows	B-Application
,	O
macOS	B-Application
,	O
or	O
a	O
web	B-Application
browser	I-Application
and	O
an	O
Adobe	B-Language
ID	I-Language
only	O
.	O
</s>
<s>
It	O
was	O
discontinued	O
on	O
July	O
28	O
,	O
2015	O
,	O
and	O
was	O
replaced	O
by	O
Experience	B-General_Concept
Manager	I-General_Concept
Forms	I-General_Concept
.	O
</s>
<s>
While	O
running	O
in	O
the	O
background	O
,	O
it	O
maintains	O
the	O
accuracy	O
of	O
Acrobat	B-Application
files	I-Application
imported	O
to	O
Acrobat	O
.	O
</s>
<s>
RdrCEF	O
(	O
also	O
known	O
as	O
Adobe	B-Application
Reader	I-Application
Cloud	O
Extension	O
Feature	O
)	O
is	O
a	O
tool	O
bundled	O
with	O
Acrobat	O
that	O
runs	O
a	O
process	O
that	O
handles	O
cloud	O
connectivity	O
features	O
.	O
</s>
<s>
The	O
table	O
below	O
contains	O
some	O
of	O
the	O
supported	O
file	O
formats	O
that	O
can	O
be	O
opened	O
or	O
accessed	O
in	O
Adobe	B-Application
Acrobat	I-Application
.	O
</s>
<s>
Adobe	B-Application
Acrobat	I-Application
is	O
available	O
in	O
the	O
following	O
languages	O
:	O
Arabic	O
,	O
Chinese	O
Simplified	O
,	O
Chinese	O
Traditional	O
,	O
Czech	O
,	O
Danish	O
,	O
Dutch	O
,	O
English	O
,	O
Finnish	O
,	O
French	O
,	O
German	O
,	O
Greek	O
,	O
Hebrew	O
,	O
Hungarian	O
,	O
Italian	O
,	O
Japanese	O
,	O
Korean	O
,	O
Norwegian	O
,	O
Polish	O
,	O
Portuguese	O
,	O
Romanian	O
,	O
Russian	O
,	O
Spanish	O
,	O
Swedish	O
,	O
Turkish	O
and	O
Ukrainian	O
.	O
</s>
<s>
Arabic	O
and	O
Hebrew	O
versions	O
are	O
available	O
from	O
WinSoft	O
International	O
,	O
Adobe	O
Systems	O
 '	O
internationalization	B-General_Concept
and	I-General_Concept
localization	I-General_Concept
partner	O
.	O
</s>
<s>
Before	O
Adobe	B-Application
Acrobat	I-Application
DC	I-Application
,	O
separate	O
Arabic	O
and	O
Hebrew	O
versions	O
were	O
developed	O
specifically	O
for	O
these	O
languages	O
,	O
which	O
are	O
normally	O
written	O
right-to-left	O
.	O
</s>
<s>
The	O
Web	O
Capture	O
feature	O
can	O
convert	O
single	O
web	O
pages	O
or	O
entire	O
web	O
sites	O
into	O
PDF	B-Application
files	I-Application
,	O
while	O
preserving	O
the	O
content	O
's	O
original	O
text	O
encoding	O
.	O
</s>
<s>
In	O
particular	O
,	O
the	O
detailed	O
history	O
of	O
security	O
updates	O
for	O
all	O
versions	O
of	O
Adobe	B-Application
Acrobat	I-Application
has	O
been	O
made	O
public	O
.	O
</s>
<s>
From	O
Version	O
3.02	O
onwards	O
,	O
Acrobat	B-Application
Reader	I-Application
has	O
included	O
support	O
for	O
JavaScript	B-Language
.	O
</s>
<s>
This	O
functionality	O
allows	O
a	O
PDF	B-Application
document	O
creator	O
to	O
include	O
code	O
which	O
executes	O
when	O
the	O
document	O
is	O
read	O
.	O
</s>
<s>
Malicious	O
PDF	B-Application
files	I-Application
that	O
attempt	O
to	O
attack	O
security	O
vulnerabilities	O
can	O
be	O
attached	O
to	O
links	O
on	O
web	O
pages	O
or	O
distributed	O
as	O
email	O
attachments	O
.	O
</s>
<s>
While	O
JavaScript	B-Language
is	O
designed	O
without	O
direct	O
access	O
to	O
the	O
file	O
system	O
to	O
make	O
it	O
"	O
safe	O
"	O
,	O
vulnerabilities	O
have	O
been	O
reported	O
for	O
abuses	O
such	O
as	O
distributing	O
malicious	O
code	O
by	O
Acrobat	O
programs	O
.	O
</s>
<s>
McAfee	O
predicted	O
that	O
Adobe	O
software	O
,	O
especially	O
Reader	O
and	O
Flash	B-Operating_System
,	O
would	O
be	O
the	O
primary	O
target	O
for	O
software	O
attacks	O
in	O
the	O
year	O
2010	O
.	O
</s>
<s>
On	O
September	O
13	O
,	O
2006	O
,	O
David	O
Kierznowski	O
provided	O
sample	O
PDF	B-Application
files	I-Application
illustrating	O
JavaScript	B-Language
vulnerabilities	O
.	O
</s>
<s>
Since	O
at	O
least	O
version	O
6	O
,	O
JavaScript	B-Language
can	O
be	O
disabled	O
using	O
the	O
preferences	O
menu	O
and	O
embedded	O
URLs	O
that	O
are	O
launched	O
are	O
intercepted	O
by	O
a	O
security	O
warning	O
dialog	O
box	O
to	O
either	O
allow	O
or	O
block	O
the	O
website	O
from	O
activating	O
.	O
</s>
<s>
On	O
February	O
19	O
,	O
2009	O
,	O
Adobe	O
released	O
a	O
Security	O
Bulletin	O
announcing	O
JavaScript	B-Language
vulnerabilities	O
in	O
Adobe	B-Application
Reader	I-Application
and	O
Acrobat	O
versions	O
9	O
and	O
earlier	O
.	O
</s>
<s>
As	O
a	O
workaround	O
for	O
this	O
issue	O
,	O
US-CERT	O
recommended	O
disabling	O
JavaScript	B-Language
in	O
the	O
affected	O
Adobe	O
products	O
,	O
canceling	O
integration	O
with	O
Windows	B-Application
shell	I-Application
and	O
web	B-Application
browsers	I-Application
(	O
while	O
carrying	O
out	O
an	O
extended	O
version	O
of	O
de-integration	O
for	O
Internet	B-Application
Explorer	I-Application
)	O
,	O
deactivating	O
Adobe	O
indexing	O
services	O
and	O
avoiding	O
all	O
PDF	B-Application
files	I-Application
from	O
external	O
sources	O
.	O
</s>
<s>
Adobe	O
has	O
identified	O
critical	O
vulnerabilities	O
in	O
Adobe	B-Application
Reader	I-Application
and	O
Acrobat	O
XI	O
(	O
11.0.01	O
and	O
earlier	O
)	O
for	O
Windows	B-Application
and	O
Macintosh	O
,	O
9.5.3	O
and	O
earlier	O
9.x	O
versions	O
.	O
</s>
<s>
There	O
have	O
been	O
reports	O
of	O
these	O
vulnerabilities	O
being	O
exploited	O
to	O
trick	O
Windows	B-Application
users	O
into	O
clicking	O
on	O
a	O
malicious	O
PDF	B-Application
file	I-Application
delivered	O
in	O
an	O
email	O
message	O
.	O
</s>
<s>
Adobe	O
has	O
released	O
security	O
updates	O
for	O
Adobe	B-Application
Acrobat	I-Application
and	O
Reader	O
for	O
Windows	B-Application
and	O
Macintosh	O
.	O
</s>
