<s>
OmniOutliner	B-Operating_System
is	O
commercial	O
outlining	B-Application
software	I-Application
for	O
macOS	B-Application
and	O
iOS	B-Application
produced	O
by	O
The	O
Omni	O
Group	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
has	O
most	O
of	O
the	O
features	O
of	O
a	O
conventional	O
outliner	B-Application
,	O
allowing	O
the	O
user	O
to	O
create	O
nested	O
lists	O
of	O
topics	O
for	O
almost	O
any	O
purpose	O
,	O
but	O
has	O
additional	O
features	O
extending	O
its	O
functionality	O
beyond	O
simple	O
outlining	O
.	O
</s>
<s>
Recent	O
versions	O
of	O
the	O
software	O
are	O
universal	B-Operating_System
binaries	I-Operating_System
.	O
</s>
<s>
OmniOutliner	B-Operating_System
received	O
a	O
special	O
mention	O
in	O
the	O
2005	O
Apple	O
Design	O
Awards	O
,	O
and	O
Macworld	O
gave	O
the	O
"	O
Professional	O
"	O
version	O
its	O
highest	O
rating	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
4	O
for	O
Mac	O
was	O
released	O
on	O
January	O
15	O
,	O
2014	O
,	O
with	O
a	O
modern	O
redesign	O
with	O
new	O
sidebars	O
and	O
a	O
dynamic	O
inspector	O
,	O
text	O
zooming	O
,	O
smart	O
match	O
,	O
date	O
pasting	O
logic	O
,	O
and	O
more	B-Application
.	O
</s>
<s>
OmniOutliner	B-Operating_System
4.5	O
for	O
Mac	O
was	O
released	O
on	O
March	O
2	O
,	O
2016	O
,	O
a	O
major	O
update	O
with	O
more	B-Application
control	O
printing	O
selected	O
rows	O
,	O
filtering	O
indentation	O
,	O
export	O
with	O
tab	O
separated	O
indentation	O
,	O
and	O
more	B-Application
.	O
</s>
<s>
OmniOutliner	B-Operating_System
5	O
for	O
Mac	O
was	O
released	O
on	O
April	O
5	O
,	O
2017	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
3	O
for	O
iOS	B-Application
was	O
released	O
in	O
2018	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
provides	O
the	O
basic	O
functions	O
of	O
an	O
outliner	B-Application
,	O
structuring	O
content	O
in	O
a	O
hierarchy	O
of	O
rows	O
indented	O
under	O
one	O
another	O
to	O
show	O
the	O
relationships	O
between	O
different	O
items	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
documents	O
can	O
incorporate	O
multimedia	O
elements	O
,	O
including	O
images	O
,	O
audio	O
,	O
and	O
video	O
,	O
as	O
well	O
as	O
PDF	O
documents	O
and	O
web	O
links	O
.	O
</s>
<s>
In	O
addition	O
,	O
OmniOutliner	B-Operating_System
allows	O
the	O
addition	O
of	O
columns	O
to	O
the	O
outline	O
,	O
so	O
that	O
the	O
user	O
can	O
create	O
rudimentary	O
spreadsheets	O
.	O
</s>
<s>
There	O
is	O
limited	O
support	O
for	O
summarizing	O
columns	O
,	O
such	O
as	O
totaling	O
or	O
averaging	O
,	O
albeit	O
not	O
with	O
anything	O
close	O
to	O
the	O
variety	O
of	O
functions	O
provided	O
in	O
conventional	O
spreadsheet	O
software	O
such	O
as	O
Microsoft	B-Application
Excel	I-Application
.	O
</s>
<s>
OmniOutliner	B-Operating_System
does	O
not	O
support	O
cloning	O
,	O
a	O
feature	O
of	O
some	O
outliners	B-Application
that	O
allows	O
one	O
topic	O
to	O
appear	O
at	O
more	B-Application
than	O
one	O
place	O
in	O
the	O
outline	O
.	O
</s>
<s>
OmniOutliner	B-Operating_System
supports	O
scripting	O
via	O
AppleScript	B-Application
,	O
and	O
users	O
have	O
extended	O
the	O
software	O
to	O
export	O
to	O
iCal	B-Language
,	O
Apple	O
's	O
calendaring	O
software	O
,	O
and	O
even	O
the	B-Device
iPod	I-Device
.	O
</s>
<s>
OmniOutliner	B-Operating_System
's	O
document	O
format	O
is	O
proprietary	O
,	O
but	O
it	O
can	O
export	O
to	O
OPML	B-Application
,	O
HTML	O
,	O
DOCX	O
,	O
and	O
several	O
text	O
and	O
rich	O
text	O
formats	O
.	O
</s>
<s>
It	O
can	O
import	O
from	O
several	O
other	O
document	O
formats	O
(	O
ACTA	O
,	O
MORE	B-Application
,	O
Keynote	O
,	O
and	O
Concurrence	O
)	O
,	O
as	O
well	O
as	O
text	O
and	O
rich	O
text	O
formats	O
.	O
</s>
