<s>
Windows	B-Application
Live	I-Application
Mail	I-Application
(	O
formerly	O
named	O
Windows	B-Application
Live	I-Application
Mail	I-Application
Desktop	I-Application
,	O
code-named	O
Elroy	O
)	O
was	O
a	O
freeware	B-License
email	B-Protocol
client	I-Protocol
from	O
Microsoft	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
Windows	B-Protocol
Mail	I-Protocol
in	O
Windows	B-Application
Vista	I-Application
,	O
which	O
was	O
the	O
successor	O
to	O
Outlook	B-Application
Express	I-Application
in	O
Windows	B-Application
XP	I-Application
and	O
Windows	B-Device
98	I-Device
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Mail	I-Application
is	O
designed	O
to	O
run	O
on	O
Windows	B-Device
7	I-Device
and	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
,	O
but	O
is	O
also	O
compatible	O
with	O
Windows	B-Application
8	I-Application
and	O
Windows	B-Operating_System
10	I-Operating_System
,	O
even	O
though	O
Microsoft	O
bundles	O
a	O
new	O
email	B-Protocol
client	I-Protocol
,	O
named	O
Windows	B-Protocol
Mail	I-Protocol
,	O
with	O
the	O
latter	O
.	O
</s>
<s>
Since	O
around	O
2013	O
,	O
serious	O
problems	O
with	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
(	O
but	O
not	O
with	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
)	O
have	O
been	O
reported	O
on	O
various	O
blog	O
sites	O
(	O
including	O
Microsoft	O
forums	O
)	O
.	O
</s>
<s>
Another	O
development	O
that	O
caused	O
complaints	O
is	O
the	O
Live	B-Application
Mail	I-Application
Sent	O
folder	O
erroneously	O
containing	O
the	O
name	O
of	O
the	O
Sender	O
rather	O
than	O
the	O
Recipient	O
in	O
the	O
To	O
column	O
,	O
while	O
omitting	O
the	O
sender	O
's	O
account	O
name	O
in	O
the	O
Account	O
column	O
(	O
as	O
the	O
fault	O
only	O
affects	O
that	O
folder	O
,	O
a	O
workaround	O
is	O
to	O
move	O
sent	O
items	O
into	O
a	O
new	O
folder	O
,	O
named	O
-	O
for	O
example	O
-	O
"	O
Sent	O
2019	O
"	O
)	O
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Mail	I-Application
moved	O
away	O
from	O
the	O
older	O
Microsoft	O
mail	B-Protocol
programs	I-Protocol
,	O
such	O
as	O
Outlook	B-Application
Express	I-Application
,	O
which	O
stored	O
all	O
e-mails	O
comprising	O
a	O
folder	O
(	O
such	O
as	O
the	O
Inbox	O
)	O
in	O
a	O
single	O
.dbx	O
file	O
.	O
</s>
<s>
In	O
order	O
to	O
provide	O
greater	O
flexibility	O
(	O
and	O
to	O
avoid	O
the	O
problem	O
where	O
corruption	O
of	O
a	O
single	O
.dbx	O
file	O
could	O
delete	O
multiple	O
emails	O
)	O
,	O
Windows	B-Application
Live	I-Application
Mail	I-Application
stores	O
each	O
email	O
message	O
as	O
a	O
separate	O
.eml	O
file	O
.	O
</s>
<s>
Only	O
the	O
folder	O
structure	O
is	O
maintained	O
in	O
a	O
single	O
database	O
file	O
,	O
using	O
the	O
ESE	O
(	O
Extensible	O
Storage	O
Engine	O
)	O
database	O
structure	O
,	O
named	O
Mail.MSMessageStore	O
(	O
which	O
also	O
holds	O
some	O
metadata	O
for	O
each	O
.eml	O
file	O
on	O
the	O
system	O
,	O
so	O
can	O
be	O
a	O
huge	O
file	O
)	O
.	O
</s>
<s>
At	O
a	O
pinch	O
,	O
the	O
Mail.MSMessageStore	O
file	O
can	O
be	O
recreated	O
from	O
the	O
data	O
in	O
the	O
.eml	O
files	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
Windows	B-Application
Live	I-Application
Mail	I-Application
was	O
released	O
on	O
6	O
November	O
2007	O
.	O
</s>
<s>
The	O
Windows	B-Application
Live	I-Application
Mail	I-Application
version	O
numbering	O
starts	O
at	O
12	O
because	O
this	O
application	O
is	O
an	O
advancement	O
of	O
Windows	B-Protocol
Mail	I-Protocol
,	O
not	O
an	O
entirely	O
new	O
application	O
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Mail	I-Application
is	O
developed	O
by	O
the	O
same	O
team	O
that	O
wrote	O
Windows	B-Protocol
Mail	I-Protocol
.	O
</s>
<s>
Windows	B-Application
Live	I-Application
Mail	I-Application
has	O
all	O
of	O
the	O
features	O
of	O
Windows	B-Protocol
Mail	I-Protocol
.	O
</s>
<s>
Support	O
for	O
Web-based	O
email	O
accounts	O
including	O
Hotmail	B-Operating_System
,	O
Gmail	B-Application
,	O
and	O
Yahoo	O
!	O
</s>
<s>
Mail	B-Protocol
Plus	O
.	O
</s>
<s>
The	O
RSS	O
functionality	O
requires	O
Internet	B-Application
Explorer	I-Application
7	I-Application
or	O
newer	O
.	O
</s>
<s>
Emoticons	B-Protocol
can	O
be	O
used	O
in	O
emails	O
and	O
other	O
functions	O
.	O
</s>
<s>
Support	O
for	O
sending	O
picture	O
files	O
in	O
emails	O
through	O
the	O
Photo	O
email	O
feature	O
,	O
which	O
uploads	O
pictures	O
to	O
a	O
web-based	O
service	O
and	O
sends	O
the	O
URL	O
and	O
thumbnails	O
in	O
the	O
mail	B-Protocol
.	O
</s>
<s>
While	O
Windows	B-Application
Live	I-Application
Mail	I-Application
is	O
the	O
successor	O
to	O
Windows	B-Protocol
Mail	I-Protocol
(	O
Vista	B-Application
)	O
on	O
Windows	B-Application
Vista	I-Application
,	O
there	O
were	O
several	O
differences	O
in	O
functionality	O
between	O
Windows	B-Application
Live	I-Application
Mail	I-Application
and	O
Windows	B-Protocol
Mail	I-Protocol
when	O
it	O
was	O
released	O
in	O
2007	O
.	O
</s>
<s>
A	O
beta	O
version	O
of	O
Windows	B-Application
Live	I-Application
Mail	I-Application
was	O
released	O
in	O
September	O
2008	O
.	O
</s>
<s>
It	O
also	O
features	O
a	O
new	O
calendaring	O
function	O
;	O
calendar	B-Application
events	O
automatically	O
synchronize	O
between	O
Windows	B-Application
Live	I-Application
Mail	I-Application
and	O
the	O
Web-based	O
Windows	O
Live	O
Calendar	B-Application
.	O
</s>
<s>
A	O
"	O
beta	O
refresh	O
"	O
version	O
of	O
Windows	B-Application
Live	I-Application
Mail	I-Application
was	O
released	O
on	O
15	O
December	O
2008	O
,	O
and	O
this	O
version	O
was	O
officially	O
released	O
as	O
the	O
final	O
version	O
on	O
8	O
January	O
2009	O
.	O
</s>
<s>
This	O
was	O
the	O
last	O
version	O
to	O
support	O
Windows	B-Application
XP	I-Application
.	O
</s>
<s>
Version	O
2009	O
still	O
contains	O
the	O
same	O
MIME	O
problem	O
with	O
signed	O
mail	B-Protocol
that	O
Outlook	B-Application
Express	I-Application
has	O
.	O
</s>
<s>
The	O
first	O
beta	O
became	O
available	O
on	O
24	O
June	O
2010	O
,	O
sporting	O
ribbons	O
in	O
the	O
user	O
interface	O
and	O
a	O
calendar	B-Application
pane	O
.	O
</s>
<s>
The	O
final	O
version	O
of	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
was	O
released	O
on	O
30	O
September	O
2010	O
,	O
along	O
with	O
the	O
Windows	B-Application
Live	I-Application
Essentials	I-Application
2011	I-Application
suite	O
.	O
</s>
<s>
It	O
requires	O
Windows	B-Application
Vista	I-Application
or	O
newer	O
;	O
Windows	B-Application
XP	I-Application
is	O
no	O
longer	O
supported	O
.	O
</s>
<s>
On	O
7	O
August	O
2012	O
,	O
Microsoft	O
released	O
a	O
new	O
version	O
of	O
Windows	B-Application
Essentials	I-Application
2012	O
,	O
which	O
included	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
.	O
</s>
<s>
It	O
requires	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Device
Server	I-Device
2008	I-Device
R2	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
or	O
Windows	B-Operating_System
10	I-Operating_System
.	O
</s>
<s>
Windows	B-Application
Vista	I-Application
is	O
no	O
longer	O
supported	O
.	O
</s>
<s>
There	O
are	O
no	O
significant	O
differences	O
from	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
,	O
save	O
the	O
discontinuance	O
of	O
support	O
for	O
Vista	B-Application
and	O
DeltaSync	B-Device
.	O
</s>
<s>
The	O
only	O
technical	O
difference	O
is	O
the	O
replacement	O
in	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
of	O
DeltaSync	B-Device
by	O
Exchange	O
ActiveSync	O
.	O
</s>
<s>
User	O
forums	O
report	O
significant	O
problems	O
with	O
the	O
upgrade	O
software	O
,	O
KB3093594	O
,	O
so	O
it	O
is	O
recommended	O
not	O
to	O
attempt	O
to	O
upgrade	O
from	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
,	O
and	O
there	O
are	O
no	O
benefits	O
in	O
doing	O
so	O
,	O
as	O
both	O
versions	O
are	O
identical	O
,	O
unless	O
the	O
user	O
wishes	O
to	O
use	O
Exchange	O
ActiveSync	O
.	O
</s>
<s>
But	O
by	O
switching	O
from	O
Deltasync	B-Device
to	O
IMAP	O
,	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
continues	O
to	O
work	O
,	O
without	O
needing	O
either	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
or	O
the	O
upgrade	O
.	O
</s>
<s>
Microsoft	O
announced	O
that	O
Outlook.com	B-Operating_System
was	O
discontinuing	O
support	O
for	O
Windows	B-Application
Live	I-Application
Mail	I-Application
during	O
2016	O
by	O
discontinuing	O
use	O
of	O
the	O
DeltaSync	B-Device
protocol	O
.	O
</s>
<s>
Microsoft	O
has	O
positioned	O
the	O
Mail	B-Protocol
app	O
(	O
bundled	O
with	O
Windows	B-Operating_System
10	I-Operating_System
,	O
available	O
in	O
the	B-Application
Microsoft	I-Application
Store	I-Application
)	O
as	O
a	O
replacement	O
for	O
it	O
.	O
</s>
<s>
Although	O
use	O
of	O
DeltaSync	B-Device
has	O
been	O
discontinued	O
on	O
Microsoft	O
's	O
servers	O
since	O
30	O
June	O
2016	O
,	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
and	O
2012	O
continue	O
to	O
work	O
with	O
Hotmail	B-Operating_System
e-mail	O
accounts	O
by	O
using	O
IMAP	O
(	O
or	O
,	O
less	O
effectively	O
,	O
POP3	O
)	O
instead	O
of	O
DeltaSync	B-Device
.	O
</s>
<s>
Gmail	B-Application
and	O
other	O
service	O
providers	O
still	O
support	O
DeltaSync	B-Device
,	O
so	O
users	O
can	O
still	O
use	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2011	O
with	O
non-Microsoft	O
email	O
accounts	O
(	O
but	O
not	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
,	O
as	O
DeltaSync	B-Device
support	O
was	O
removed	O
from	O
it	O
)	O
.	O
</s>
<s>
Windows	B-Application
Essentials	I-Application
2012	O
,	O
including	O
Windows	B-Application
Live	I-Application
Mail	I-Application
2012	O
,	O
reached	O
end	O
of	O
support	O
on	O
10	O
January	O
2017	O
,	O
and	O
is	O
no	O
longer	O
available	O
for	O
download	O
from	O
Microsoft	O
;	O
but	O
most	O
of	O
the	O
software	O
bundled	O
in	O
it	O
or	O
in	O
Windows	B-Application
Essentials	I-Application
2011	O
,	O
including	O
Windows	B-Application
Live	I-Application
Mail	I-Application
,	O
continues	O
to	O
function	O
and	O
it	O
can	O
still	O
be	O
downloaded	O
from	O
Archive.org	O
.	O
</s>
