<s>
WPL	O
(	O
Windows	B-Device
Media	I-Device
Player	I-Device
Playlist	I-Device
)	O
is	O
a	O
computer	O
file	O
format	O
that	O
stores	O
multimedia	O
playlists	O
.	O
</s>
<s>
It	O
is	O
a	O
proprietary	O
file	O
format	O
used	O
in	O
Microsoft	O
Windows	B-Device
Media	I-Device
Player	I-Device
versions	O
9	O
–	O
12	O
.	O
</s>
<s>
The	O
elements	O
of	O
WPL	O
files	O
are	O
represented	O
in	O
XML	B-Protocol
format	O
.	O
</s>
<s>
The	O
top-level	O
element	O
,	O
smil	B-Language
,	O
specifies	O
that	O
the	O
file	O
's	O
elements	O
follow	O
the	O
SMIL	B-Language
(	O
Synchronized	B-Language
Multimedia	I-Language
Integration	I-Language
Language	I-Language
)	O
structure	O
.	O
</s>
<s>
The	O
file	O
is	O
saved	O
with	O
the	O
"	O
wpl	O
"	O
filename	O
extension	O
and	O
its	O
MIME	B-Application
type	I-Application
is	O
application/vnd.ms	O
-wpl	O
.	O
</s>
