<s>
Phone	B-Application
Companion	I-Application
is	O
an	O
app	O
advertising	O
and	O
file	O
transfer	O
utility	O
included	O
with	O
Windows	B-Operating_System
10	I-Operating_System
and	O
available	O
for	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
It	O
provides	O
a	O
partial	O
list	O
of	O
Microsoft	O
apps	O
that	O
are	O
available	O
on	O
Android	B-Application
,	O
and	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
In	O
order	O
to	O
use	O
the	O
Phone	B-Application
Companion	I-Application
,	O
users	O
must	O
sign	O
in	O
with	O
a	O
Microsoft	O
Account	O
,	O
which	O
will	O
sync	O
installation	O
progress	O
across	O
devices	O
.	O
</s>
<s>
It	O
is	O
now	O
discontinued	O
and	O
replaced	O
by	O
the	O
Phone	B-Application
Link	I-Application
app	O
in	O
October	O
2018	O
Update	O
.	O
</s>
<s>
Microsoft	O
also	O
confirmed	O
that	O
its	O
Cortana	B-Application
digital	O
assistant	O
app	O
will	O
arrive	O
for	O
Android	B-Application
and	O
iOS	O
,	O
having	O
previously	O
only	O
been	O
available	O
for	O
Windows	O
devices	O
.	O
</s>
<s>
On	O
the	O
Windows	B-Operating_System
10	I-Operating_System
Mobile	I-Operating_System
screen	O
,	O
users	O
are	O
shown	O
a	O
list	O
of	O
apps	O
that	O
are	O
already	O
built-into	O
their	O
phone	O
's	O
system	O
:	O
Cortana	B-Application
,	O
Photos	B-Application
,	O
Groove	B-Application
,	O
Movies	B-Application
&	I-Application
TV	I-Application
,	O
OneNote	B-Application
,	O
Skype	B-Application
,	O
"	O
Office	O
"	O
(	O
Word	B-Application
,	O
Excel	B-Application
,	O
and	O
PowerPoint	B-Application
only	O
in	O
this	O
listing	O
)	O
,	O
and	O
Outlook	B-Application
.	O
</s>
<s>
It	O
is	O
not	O
clear	O
why	O
OneNote	B-Application
,	O
Outlook	B-Application
,	O
Sway	B-Operating_System
,	O
Delve	O
,	O
and	O
Office	O
Lens	O
are	O
not	O
included	O
in	O
the	O
Office	O
category	O
.	O
</s>
<s>
If	O
the	O
user	O
selects	O
the	O
Android	B-Application
or	O
the	O
iOS	O
screen	O
,	O
he	O
or	O
she	O
will	O
see	O
a	O
list	O
of	O
apps	O
available	O
for	O
that	O
mobile	O
operating	O
system	O
,	O
all	O
of	O
which	O
support	O
Microsoft	O
account	O
sign-ins	O
:	O
Cortana	B-Application
,	O
OneDrive	B-Application
,	O
Groove	B-Application
,	O
OneNote	B-Application
,	O
Skype	B-Application
,	O
"	O
Office	O
"	O
,	O
and	O
Outlook	B-Application
.	O
</s>
<s>
Microsoft	O
does	O
not	O
list	O
its	O
cross-platform	O
apps	O
for	O
Xbox	B-Protocol
,	O
Solitaire	B-Application
Collection	I-Application
,	O
Money	O
,	O
Sports	O
,	O
News	O
,	O
Weather	O
,	O
Sway	B-Operating_System
,	O
Delve	O
,	O
Office	O
Lens	O
,	O
GroupMe	B-Protocol
,	O
or	O
Bing	B-Application
on	O
the	O
Phone	B-Application
Companion	I-Application
.	O
</s>
<s>
Phone	B-Application
Companion	I-Application
can	O
detect	O
when	O
a	O
phone	O
or	O
tablet	O
is	O
plugged	O
into	O
the	O
PC	O
and	O
displays	O
the	O
name	O
of	O
the	O
device	O
and	O
manufacturer	O
.	O
</s>
<s>
When	O
a	O
phone	O
is	O
plugged	O
in	O
,	O
Phone	B-Application
Companion	I-Application
links	O
to	O
the	O
transfer	O
activity	O
in	O
Photos	B-Application
or	O
the	O
phone	O
's	O
storage	O
location	O
in	O
File	B-Protocol
Explorer	I-Protocol
.	O
</s>
<s>
Because	O
File	B-Protocol
Explorer	I-Protocol
and	O
Photos	B-Application
can	O
handle	O
file	O
transfers	O
on	O
their	O
own	O
,	O
Phone	B-Application
Companion	I-Application
is	O
not	O
required	O
for	O
file	O
transfers	O
.	O
</s>
<s>
Due	O
to	O
the	O
security	O
policies	O
of	O
iOS	O
,	O
it	O
is	O
not	O
possible	O
to	O
transfer	O
files	O
from	O
a	O
PC	O
to	O
an	O
iPhone	O
or	O
an	O
iPad	O
using	O
File	B-Protocol
Explorer	I-Protocol
.	O
</s>
