<s>
Microsoft	B-Operating_System
Sway	I-Operating_System
is	O
a	O
presentation	B-Application
program	I-Application
and	O
is	O
part	O
of	O
the	O
Microsoft	B-Application
Office	I-Application
family	O
of	O
products	O
.	O
</s>
<s>
Sway	B-Operating_System
was	O
offered	O
for	O
general	O
release	O
by	O
Microsoft	O
in	O
August	O
2015	O
.	O
</s>
<s>
Users	O
can	O
pull	O
content	O
locally	O
from	O
the	O
device	O
in	O
use	O
,	O
or	O
from	O
internet	O
sources	O
such	O
as	O
Bing	B-Application
,	O
Facebook	B-Application
,	O
OneDrive	B-Application
,	O
and	O
YouTube	B-General_Concept
.	I-General_Concept
</s>
<s>
Sway	B-Operating_System
is	O
distinguished	O
from	O
Microsoft	B-Operating_System
FrontPage	I-Operating_System
and	O
Microsoft	B-Application
Expression	I-Application
Web	I-Application
-	O
unrelated	O
web	O
design	O
programs	O
previously	O
developed	O
by	O
Microsoft	O
-	O
in	O
that	O
Sway	B-Operating_System
includes	O
a	O
method	O
for	O
hosting	O
sites	O
.	O
</s>
<s>
Sway	B-Operating_System
sites	O
are	O
stored	O
on	O
Microsoft	O
's	O
servers	O
and	O
are	O
tied	O
to	O
the	O
user	O
's	O
Microsoft	O
account	O
.	O
</s>
<s>
They	O
can	O
be	O
viewed	O
and	O
edited	O
from	O
any	O
web	B-Application
browser	I-Application
through	O
Office	O
on	O
the	O
web	O
.	O
</s>
<s>
There	O
is	O
no	O
offline	O
editing	O
or	O
viewing	O
function	O
,	O
but	O
sites	O
can	O
be	O
accessed	O
using	O
apps	O
for	O
Windows	B-Operating_System
10	I-Operating_System
and	O
iOS	B-Application
.	O
</s>
<s>
Sway	B-Operating_System
was	O
developed	O
internally	O
by	O
Microsoft	O
.	O
</s>
<s>
In	O
late	O
2014	O
,	O
the	O
company	O
announced	O
an	O
invite-only	O
preview	O
version	O
of	O
Sway	B-Operating_System
and	O
announced	O
that	O
Sway	B-Operating_System
would	O
not	O
require	O
an	O
Office	B-Operating_System
365	I-Operating_System
subscription	O
.	O
</s>
<s>
An	O
iOS	B-Application
app	O
was	O
released	O
as	O
a	O
preview	O
on	O
31	O
October	O
2014	O
,	O
but	O
was	O
discontinued	O
on	O
17	O
December	O
2018	O
due	O
to	O
low	O
usage	O
.	O
</s>
<s>
,	O
the	O
Sway	B-Operating_System
iOS	B-Application
app	O
's	O
discontinuance	O
in	O
2018	O
was	O
the	O
last	O
piece	O
of	O
news	O
posted	O
in	O
the	O
Sway	B-Operating_System
tech	O
blog	O
.	O
</s>
<s>
The	O
Sway	B-Operating_System
has	O
not	O
received	O
an	O
update	O
since	O
April	O
2017	O
.	O
</s>
<s>
The	O
Microsoft	B-Application
Office	I-Application
did	O
not	O
include	O
any	O
items	O
related	O
to	O
Sway	B-Operating_System
ever	O
since	O
.	O
</s>
<s>
The	O
iOS	B-Application
application	O
is	O
no	O
longer	O
under	O
active	O
development	O
,	O
and	O
is	O
not	O
available	O
for	O
download	O
.	O
</s>
<s>
Users	O
are	O
able	O
to	O
add	O
content	O
from	O
various	O
sources	O
into	O
their	O
Sway	B-Operating_System
presentations	O
.	O
</s>
<s>
Some	O
of	O
the	O
integrated	O
services	O
are	O
owned	O
by	O
Microsoft	O
,	O
including	O
OneNote	B-Application
,	O
Bing	B-Application
,	O
and	O
other	O
Sway	B-Operating_System
sites	O
.	O
</s>
<s>
The	O
program	O
also	O
provides	O
native	O
integration	O
with	O
other	O
services	O
,	O
including	O
YouTube	B-General_Concept
,	O
Facebook	B-Application
,	O
Twitter	B-Application
,	O
Mixcloud	O
,	O
and	O
Infogram	O
.	O
</s>
